23211214131 has 32 divisors (see below), whose sum is σ = 37862092800. Its totient is φ = 12352482720.

The previous prime is 23211214069. The next prime is 23211214219. The reversal of 23211214131 is 13141211232.

It is not a de Polignac number, because 23211214131 - 2⁶ = 23211214067 is a prime.

It is a super-2 number, since 2×23211214131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23211214098 and 23211214107.

It is not an unprimeable number, because it can be changed into a prime (23211212131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469455 + ... + 516536.

It is an arithmetic number, because the mean of its divisors is an integer number (1183190400).

Almost surely, 2^23211214131 is an apocalyptic number.

23211214131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23211214131 is a deficient number, since it is larger than the sum of its proper divisors (14650878669).

23211214131 is a wasteful number, since it uses less digits than its factorization.

23211214131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986079.

The product of its digits is 288, while the sum is 21.

Adding to 23211214131 its reverse (13141211232), we get a palindrome (36352425363).

The spelling of 23211214131 in words is "twenty-three billion, two hundred eleven million, two hundred fourteen thousand, one hundred thirty-one".