315121141533 has 64 divisors (see below), whose sum is σ = 488648724480. Its totient is φ = 178883769600.

The previous prime is 315121141519. The next prime is 315121141567. The reversal of 315121141533 is 335141121513.

It is not a de Polignac number, because 315121141533 - 2²⁴ = 315104364317 is a prime.

It is a super-2 number, since 2×315121141533² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 315121141533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315121141633) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3455598 + ... + 3545616.

It is an arithmetic number, because the mean of its divisors is an integer number (7635136320).

Almost surely, 2^315121141533 is an apocalyptic number.

315121141533 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

315121141533 is a deficient number, since it is larger than the sum of its proper divisors (173527582947).

315121141533 is a wasteful number, since it uses less digits than its factorization.

315121141533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90178.

The product of its digits is 5400, while the sum is 30.

It can be divided in two parts, 315121 and 141533, that added together give a palindrome (456654).

The spelling of 315121141533 in words is "three hundred fifteen billion, one hundred twenty-one million, one hundred forty-one thousand, five hundred thirty-three".