131223214012502 has 16 divisors (see below), whose sum is σ = 197171742801600. Its totient is φ = 65499301558728.

The previous prime is 131223214012489. The next prime is 131223214012511. The reversal of 131223214012502 is 205210412322131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172549613 + ... + 173308439.

It is an arithmetic number, because the mean of its divisors is an integer number (12323233925100).

Almost surely, 2^{131223214012502} is an apocalyptic number.

131223214012502 is a deficient number, since it is larger than the sum of its proper divisors (65948528789098).

131223214012502 is a wasteful number, since it uses less digits than its factorization.

131223214012502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906715.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 131223214012502 its reverse (205210412322131), we get a palindrome (336433626334633).

The spelling of 131223214012502 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, two hundred fourteen million, twelve thousand, five hundred two".