131622030 has 32 divisors (see below), whose sum is σ = 350992800. Its totient is φ = 35099136.

The previous prime is 131621999. The next prime is 131622037. The reversal of 131622030 is 30226131.

131622030 is a `hidden beast` number, since 13 + 1 + 622 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131621994 and 131622012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131622037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243475 + ... + 244014.

It is an arithmetic number, because the mean of its divisors is an integer number (10968525).

Almost surely, 2^131622030 is an apocalyptic number.

131622030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131622030 is an abundant number, since it is smaller than the sum of its proper divisors (219370770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131622030 is a wasteful number, since it uses less digits than its factorization.

131622030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487505 (or 487499 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131622030 is about 11472.6644682044. The cubic root of 131622030 is about 508.6778904412.

Adding to 131622030 its reverse (30226131), we get a palindrome (161848161).

The spelling of 131622030 in words is "one hundred thirty-one million, six hundred twenty-two thousand, thirty".