31012402141402 has 16 divisors (see below), whose sum is σ = 51358983615072. Its totient is φ = 13926708518320.

The previous prime is 31012402141397. The next prime is 31012402141423. The reversal of 31012402141402 is 20414120421013.

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, 8491893613 + ... + 8491897264.

It is an arithmetic number, because the mean of its divisors is an integer number (3209936475942).

Almost surely, 2^{31012402141402} is an apocalyptic number.

31012402141402 is a deficient number, since it is larger than the sum of its proper divisors (20346581473670).

31012402141402 is a wasteful number, since it uses less digits than its factorization.

31012402141402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16983790973.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 31012402141402 its reverse (20414120421013), we get a palindrome (51426522562415).

The spelling of 31012402141402 in words is "thirty-one trillion, twelve billion, four hundred two million, one hundred forty-one thousand, four hundred two".