315522311340 has 24 divisors (see below), whose sum is σ = 883462471920. Its totient is φ = 84139283008.

The previous prime is 315522311317. The next prime is 315522311359. The reversal of 315522311340 is 43113225513.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 315522311298 and 315522311307.

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, 2629352535 + ... + 2629352654.

It is an arithmetic number, because the mean of its divisors is an integer number (36810936330).

Almost surely, 2^315522311340 is an apocalyptic number.

315522311340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315522311340 is an abundant number, since it is smaller than the sum of its proper divisors (567940160580).

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

315522311340 is a wasteful number, since it uses less digits than its factorization.

315522311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258705201 (or 5258705199 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 315522311340 its reverse (43113225513), we get a palindrome (358635536853).

The spelling of 315522311340 in words is "three hundred fifteen billion, five hundred twenty-two million, three hundred eleven thousand, three hundred forty".