131311020123258 has 8 divisors (see below), whose sum is σ = 262622040246528. Its totient is φ = 43770340041084.

The previous prime is 131311020123193. The next prime is 131311020123259. The reversal of 131311020123258 is 852321020113131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

131311020123258 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (131311020123259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10942585010266 + ... + 10942585010277.

It is an arithmetic number, because the mean of its divisors is an integer number (32827755030816).

Almost surely, 2^{131311020123258} is an apocalyptic number.

131311020123258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131311020123258 is a wasteful number, since it uses less digits than its factorization.

131311020123258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21885170020548.

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 131311020123258 its reverse (852321020113131), we get a palindrome (983632040236389).

The spelling of 131311020123258 in words is "one hundred thirty-one trillion, three hundred eleven billion, twenty million, one hundred twenty-three thousand, two hundred fifty-eight".