315232153042 has 16 divisors (see below), whose sum is σ = 511315234560. Its totient is φ = 145188275008.

The previous prime is 315232152997. The next prime is 315232153079. The reversal of 315232153042 is 240351232513.

It is a super-2 number, since 2×315232153042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315232152995 and 315232153013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98631742 + ... + 98634937.

It is an arithmetic number, because the mean of its divisors is an integer number (31957202160).

Almost surely, 2^315232153042 is an apocalyptic number.

315232153042 is a deficient number, since it is larger than the sum of its proper divisors (196083081518).

315232153042 is a wasteful number, since it uses less digits than its factorization.

315232153042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197266745.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 315232153042 its reverse (240351232513), we get a palindrome (555583385555).

The spelling of 315232153042 in words is "three hundred fifteen billion, two hundred thirty-two million, one hundred fifty-three thousand, forty-two".