315031100452 has 6 divisors (see below), whose sum is σ = 551304425798. Its totient is φ = 157515550224.

The previous prime is 315031100407. The next prime is 315031100467. The reversal of 315031100452 is 254001130513.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 165676677156 + 149354423296 = 407034^2 + 386464^2 .

It is a super-2 number, since 2×315031100452² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39378887553 + ... + 39378887560.

Almost surely, 2^315031100452 is an apocalyptic number.

It is an amenable number.

315031100452 is a deficient number, since it is larger than the sum of its proper divisors (236273325346).

315031100452 is a wasteful number, since it uses less digits than its factorization.

315031100452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78757775117 (or 78757775115 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 315031100452 its reverse (254001130513), we get a palindrome (569032230965).

The spelling of 315031100452 in words is "three hundred fifteen billion, thirty-one million, one hundred thousand, four hundred fifty-two".