131012213140 has 48 divisors (see below), whose sum is σ = 287281427328. Its totient is φ = 50092575104.

The previous prime is 131012213053. The next prime is 131012213161. The reversal of 131012213140 is 41312210131.

It is a congruent 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, 591399 + ... + 782161.

It is an arithmetic number, because the mean of its divisors is an integer number (5985029736).

Almost surely, 2^131012213140 is an apocalyptic number.

131012213140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012213140 is an abundant number, since it is smaller than the sum of its proper divisors (156269214188).

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

131012213140 is a wasteful number, since it uses less digits than its factorization.

131012213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192288 (or 192286 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131012213140 its reverse (41312210131), we get a palindrome (172324423271).

The spelling of 131012213140 in words is "one hundred thirty-one billion, twelve million, two hundred thirteen thousand, one hundred forty".