313240220340402 has 64 divisors (see below), whose sum is σ = 640141686301824. Its totient is φ = 102164027750400.

The previous prime is 313240220340401. The next prime is 313240220340449. The reversal of 313240220340402 is 204043022042313.

It is a self number, because there is not a number n which added to its sum of digits gives 313240220340402.

It is not an unprimeable number, because it can be changed into a prime (313240220340401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36247048 + ... + 44049164.

It is an arithmetic number, because the mean of its divisors is an integer number (10002213848466).

Almost surely, 2^{313240220340402} is an apocalyptic number.

313240220340402 is an abundant number, since it is smaller than the sum of its proper divisors (326901465961422).

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

313240220340402 is a wasteful number, since it uses less digits than its factorization.

313240220340402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7803003.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 313240220340402 its reverse (204043022042313), we get a palindrome (517283242382715).

The spelling of 313240220340402 in words is "three hundred thirteen trillion, two hundred forty billion, two hundred twenty million, three hundred forty thousand, four hundred two".