31634552404011 has 16 divisors (see below), whose sum is σ = 42190207497216. Its totient is φ = 21084299955936.

The previous prime is 31634552403991. The next prime is 31634552404027. The reversal of 31634552404011 is 11040425543613.

It is not a de Polignac number, because 31634552404011 - 2³³ = 31625962469419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31634552404031) 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, 321267061 + ... + 321365513.

It is an arithmetic number, because the mean of its divisors is an integer number (2636887968576).

Almost surely, 2^{31634552404011} is an apocalyptic number.

31634552404011 is a deficient number, since it is larger than the sum of its proper divisors (10555655093205).

31634552404011 is a wasteful number, since it uses less digits than its factorization.

31634552404011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124802.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 31634552404011 its reverse (11040425543613), we get a palindrome (42674977947624).

The spelling of 31634552404011 in words is "thirty-one trillion, six hundred thirty-four billion, five hundred fifty-two million, four hundred four thousand, eleven".