31404060643462 has 32 divisors (see below), whose sum is σ = 52480766983680. Its totient is φ = 13993893728640.

The previous prime is 31404060643457. The next prime is 31404060643469. The reversal of 31404060643462 is 26434606040413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31404060643469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21319963 + ... + 22745305.

It is an arithmetic number, because the mean of its divisors is an integer number (1640023968240).

Almost surely, 2^{31404060643462} is an apocalyptic number.

31404060643462 is a deficient number, since it is larger than the sum of its proper divisors (21076706340218).

31404060643462 is a wasteful number, since it uses less digits than its factorization.

31404060643462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454608.

The product of its (nonzero) digits is 995328, while the sum is 43.

Adding to 31404060643462 its reverse (26434606040413), we get a palindrome (57838666683875).

The spelling of 31404060643462 in words is "thirty-one trillion, four hundred four billion, sixty million, six hundred forty-three thousand, four hundred sixty-two".