31401404134102 has 16 divisors (see below), whose sum is σ = 47710978259760. Its totient is φ = 15499025202688.

The previous prime is 31401404134021. The next prime is 31401404134253. The reversal of 31401404134102 is 20143140410413.

It is a congruent number.

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, 320072923 + ... + 320171014.

It is an arithmetic number, because the mean of its divisors is an integer number (2981936141235).

Almost surely, 2^{31401404134102} is an apocalyptic number.

31401404134102 is a deficient number, since it is larger than the sum of its proper divisors (16309574125658).

31401404134102 is a wasteful number, since it uses less digits than its factorization.

31401404134102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640244255.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31401404134102 its reverse (20143140410413), we get a palindrome (51544544544515).

The spelling of 31401404134102 in words is "thirty-one trillion, four hundred one billion, four hundred four million, one hundred thirty-four thousand, one hundred two".