31132231102313 has 16 divisors (see below), whose sum is σ = 34113699187776. Its totient is φ = 28176013098240.

The previous prime is 31132231102307. The next prime is 31132231102373. The reversal of 31132231102313 is 31320113223113.

It is a cyclic number.

It is not a de Polignac number, because 31132231102313 - 2⁸ = 31132231102057 is a prime.

It is a super-2 number, since 2×31132231102313² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31132231102373) 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, 14957270 + ... + 16911072.

It is an arithmetic number, because the mean of its divisors is an integer number (2132106199236).

Almost surely, 2^{31132231102313} is an apocalyptic number.

It is an amenable number.

31132231102313 is a deficient number, since it is larger than the sum of its proper divisors (2981468085463).

31132231102313 is a wasteful number, since it uses less digits than its factorization.

31132231102313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960264.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 31132231102313 its reverse (31320113223113), we get a palindrome (62452344325426).

The spelling of 31132231102313 in words is "thirty-one trillion, one hundred thirty-two billion, two hundred thirty-one million, one hundred two thousand, three hundred thirteen".