131223214012504 has 32 divisors (see below), whose sum is σ = 246224222899200. Its totient is φ = 65563424341920.

The previous prime is 131223214012489. The next prime is 131223214012511. The reversal of 131223214012504 is 405210412322131.

It is a super-2 number, since 2×131223214012504² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370603309 + ... + 370957219.

It is an arithmetic number, because the mean of its divisors is an integer number (7694506965600).

Almost surely, 2^{131223214012504} is an apocalyptic number.

It is an amenable number.

131223214012504 is a deficient number, since it is larger than the sum of its proper divisors (115001008886696).

131223214012504 is a wasteful number, since it uses less digits than its factorization.

131223214012504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387823 (or 387819 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 131223214012504 its reverse (405210412322131), we get a palindrome (536433626334635).

The spelling of 131223214012504 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, two hundred fourteen million, twelve thousand, five hundred four".