1312055030 has 96 divisors (see below), whose sum is σ = 2815344000. Its totient is φ = 437310720.

The previous prime is 1312055027. The next prime is 1312055047. The reversal of 1312055030 is 305502131.

It is a junction number, because it is equal to n+sod(n) for n = 1312054993 and 1312055011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3759296 + ... + 3759644.

It is an arithmetic number, because the mean of its divisors is an integer number (29326500).

Almost surely, 2^1312055030 is an apocalyptic number.

1312055030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312055030 is an abundant number, since it is smaller than the sum of its proper divisors (1503288970).

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

1312055030 is a wasteful number, since it uses less digits than its factorization.

1312055030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1312055030 is about 36222.3001754444. The cubic root of 1312055030 is about 1094.7560405340.

Adding to 1312055030 its reverse (305502131), we get a palindrome (1617557161).

The spelling of 1312055030 in words is "one billion, three hundred twelve million, fifty-five thousand, thirty".