1345230131 has 8 divisors (see below), whose sum is σ = 1574903904. Its totient is φ = 1124930880.

The previous prime is 1345230071. The next prime is 1345230137. The reversal of 1345230131 is 1310325431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345230131 is a prime.

It is a super-3 number, since 3×1345230131³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1345230097 and 1345230106.

It is not an unprimeable number, because it can be changed into a prime (1345230137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2343320 + ... + 2343893.

It is an arithmetic number, because the mean of its divisors is an integer number (196862988).

Almost surely, 2^1345230131 is an apocalyptic number.

1345230131 is a deficient number, since it is larger than the sum of its proper divisors (229673773).

1345230131 is an equidigital number, since it uses as much as digits as its factorization.

1345230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687261.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1345230131 is about 36677.3790094112. The cubic root of 1345230131 is about 1103.9062581764.

Adding to 1345230131 its reverse (1310325431), we get a palindrome (2655555562).

The spelling of 1345230131 in words is "one billion, three hundred forty-five million, two hundred thirty thousand, one hundred thirty-one".