31214230123131 has 64 divisors (see below), whose sum is σ = 50625792384000. Its totient is φ = 18850859447040.

The previous prime is 31214230123103. The next prime is 31214230123183. The reversal of 31214230123131 is 13132103241213.

31214230123131 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 42 + 301 + 2 + 313 + 1 = 666.

It is not a de Polignac number, because 31214230123131 - 2⁶ = 31214230123067 is a prime.

It is a super-2 number, since 2×31214230123131² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31214230123095 and 31214230123104.

It is not an unprimeable number, because it can be changed into a prime (31214230123831) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111493881 + ... + 111773493.

It is an arithmetic number, because the mean of its divisors is an integer number (791028006000).

Almost surely, 2^{31214230123131} is an apocalyptic number.

31214230123131 is a deficient number, since it is larger than the sum of its proper divisors (19411562260869).

31214230123131 is a wasteful number, since it uses less digits than its factorization.

31214230123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280961 (or 280955 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 31214230123131 its reverse (13132103241213), we get a palindrome (44346333364344).

The spelling of 31214230123131 in words is "thirty-one trillion, two hundred fourteen billion, two hundred thirty million, one hundred twenty-three thousand, one hundred thirty-one".