31040214051 has 32 divisors (see below), whose sum is σ = 51800191488. Its totient is φ = 16062013440.

The previous prime is 31040214041. The next prime is 31040214053. The reversal of 31040214051 is 15041204013.

It is not a de Polignac number, because 31040214051 - 2⁵ = 31040214019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (31040214053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202060 + ... + 320793.

It is an arithmetic number, because the mean of its divisors is an integer number (1618755984).

Almost surely, 2^31040214051 is an apocalyptic number.

31040214051 is a deficient number, since it is larger than the sum of its proper divisors (20759977437).

31040214051 is a wasteful number, since it uses less digits than its factorization.

31040214051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523131.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 31040214051 its reverse (15041204013), we get a palindrome (46081418064).

The spelling of 31040214051 in words is "thirty-one billion, forty million, two hundred fourteen thousand, fifty-one".