311431324231002 has 16 divisors (see below), whose sum is σ = 623029233863520. Its totient is φ = 103782677176752.

The previous prime is 311431324230937. The next prime is 311431324231063. The reversal of 311431324231002 is 200132423134113.

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, 6941034093 + ... + 6941078960.

It is an arithmetic number, because the mean of its divisors is an integer number (38939327116470).

Almost surely, 2^{311431324231002} is an apocalyptic number.

311431324231002 is an abundant number, since it is smaller than the sum of its proper divisors (311597909632518).

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

311431324231002 is a wasteful number, since it uses less digits than its factorization.

311431324231002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13882116797.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 311431324231002 its reverse (200132423134113), we get a palindrome (511563747365115).

The spelling of 311431324231002 in words is "three hundred eleven trillion, four hundred thirty-one billion, three hundred twenty-four million, two hundred thirty-one thousand, two".