13212210031131 has 32 divisors (see below), whose sum is σ = 18430713907200. Its totient is φ = 8402949396864.

The previous prime is 13212210031093. The next prime is 13212210031159. The reversal of 13212210031131 is 13113001221231.

It is not a de Polignac number, because 13212210031131 - 2¹⁸ = 13212209768987 is a prime.

It is a super-2 number, since 2×13212210031131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13212210031098 and 13212210031107.

It is not an unprimeable number, because it can be changed into a prime (13212210035131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277549470 + ... + 277597068.

It is an arithmetic number, because the mean of its divisors is an integer number (575959809600).

Almost surely, 2^{13212210031131} is an apocalyptic number.

13212210031131 is a deficient number, since it is larger than the sum of its proper divisors (5218503876069).

13212210031131 is a wasteful number, since it uses less digits than its factorization.

13212210031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58155.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13212210031131 its reverse (13113001221231), we get a palindrome (26325211252362).

The spelling of 13212210031131 in words is "thirteen trillion, two hundred twelve billion, two hundred ten million, thirty-one thousand, one hundred thirty-one".