131012422140 has 24 divisors (see below), whose sum is σ = 366834782160. Its totient is φ = 34936645888.

The previous prime is 131012422081. The next prime is 131012422181. The reversal of 131012422140 is 41224210131.

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, 1091770125 + ... + 1091770244.

It is an arithmetic number, because the mean of its divisors is an integer number (15284782590).

Almost surely, 2^131012422140 is an apocalyptic number.

131012422140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012422140 is an abundant number, since it is smaller than the sum of its proper divisors (235822360020).

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

131012422140 is a wasteful number, since it uses less digits than its factorization.

131012422140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183540381 (or 2183540379 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 131012422140 its reverse (41224210131), we get a palindrome (172236632271).

The spelling of 131012422140 in words is "one hundred thirty-one billion, twelve million, four hundred twenty-two thousand, one hundred forty".