31031132101 has 16 divisors (see below), whose sum is σ = 32951160000. Its totient is φ = 29140300800.

The previous prime is 31031132071. The next prime is 31031132113. The reversal of 31031132101 is 10123113013.

It is a cyclic number.

It is not a de Polignac number, because 31031132101 - 2¹³ = 31031123909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31031132161) 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, 2335525 + ... + 2348773.

It is an arithmetic number, because the mean of its divisors is an integer number (2059447500).

Almost surely, 2^31031132101 is an apocalyptic number.

It is an amenable number.

31031132101 is a deficient number, since it is larger than the sum of its proper divisors (1920027899).

31031132101 is a wasteful number, since it uses less digits than its factorization.

31031132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14340.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31031132101 its reverse (10123113013), we get a palindrome (41154245114).

The spelling of 31031132101 in words is "thirty-one billion, thirty-one million, one hundred thirty-two thousand, one hundred one".