131213011002 has 32 divisors (see below), whose sum is σ = 263198295744. Its totient is φ = 43609104000.

The previous prime is 131213010997. The next prime is 131213011043. The reversal of 131213011002 is 200110312131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3769377 + ... + 3804027.

It is an arithmetic number, because the mean of its divisors is an integer number (8224946742).

Almost surely, 2^131213011002 is an apocalyptic number.

131213011002 is an abundant number, since it is smaller than the sum of its proper divisors (131985284742).

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

131213011002 is a wasteful number, since it uses less digits than its factorization.

131213011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36494.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131213011002 its reverse (200110312131), we get a palindrome (331323323133).

The spelling of 131213011002 in words is "one hundred thirty-one billion, two hundred thirteen million, eleven thousand, two".