31012132201 has 16 divisors (see below), whose sum is σ = 32500258560. Its totient is φ = 29552642560.

The previous prime is 31012132187. The next prime is 31012132219. The reversal of 31012132201 is 10223121013.

It is not a de Polignac number, because 31012132201 - 2¹¹ = 31012130153 is a prime.

It is a super-2 number, since 2×31012132201² (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 (31012132231) 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, 2649081 + ... + 2660761.

It is an arithmetic number, because the mean of its divisors is an integer number (2031266160).

Almost surely, 2^31012132201 is an apocalyptic number.

It is an amenable number.

31012132201 is a deficient number, since it is larger than the sum of its proper divisors (1488126359).

31012132201 is a wasteful number, since it uses less digits than its factorization.

31012132201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12896.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31012132201 its reverse (10223121013), we get a palindrome (41235253214).

The spelling of 31012132201 in words is "thirty-one billion, twelve million, one hundred thirty-two thousand, two hundred one".