31130311201 has 4 divisors (see below), whose sum is σ = 33960339504. Its totient is φ = 28300282900.

The previous prime is 31130311169. The next prime is 31130311207. The reversal of 31130311201 is 10211303113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31130311201 - 2⁵ = 31130311169 is a prime.

It is a super-2 number, since 2×31130311201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31130311207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415014135 + ... + 1415014156.

It is an arithmetic number, because the mean of its divisors is an integer number (8490084876).

Almost surely, 2^31130311201 is an apocalyptic number.

It is an amenable number.

31130311201 is a deficient number, since it is larger than the sum of its proper divisors (2830028303).

31130311201 is a wasteful number, since it uses less digits than its factorization.

31130311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830028302.

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

Adding to 31130311201 its reverse (10211303113), we get a palindrome (41341614314).

The spelling of 31130311201 in words is "thirty-one billion, one hundred thirty million, three hundred eleven thousand, two hundred one".