31133012001 has 32 divisors (see below), whose sum is σ = 53779031040. Its totient is φ = 15557500224.

The previous prime is 31133011993. The next prime is 31133012021. The reversal of 31133012001 is 10021033113.

It is not a de Polignac number, because 31133012001 - 2³ = 31133011993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31133012021) 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, 2995875 + ... + 3006248.

It is an arithmetic number, because the mean of its divisors is an integer number (1680594720).

Almost surely, 2^31133012001 is an apocalyptic number.

It is an amenable number.

31133012001 is a deficient number, since it is larger than the sum of its proper divisors (22646019039).

31133012001 is a wasteful number, since it uses less digits than its factorization.

31133012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002165.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31133012001 its reverse (10021033113), we get a palindrome (41154045114).

The spelling of 31133012001 in words is "thirty-one billion, one hundred thirty-three million, twelve thousand, one".