101231131000 has 32 divisors (see below), whose sum is σ = 236880848880. Its totient is φ = 40492452000.

The previous prime is 101231130901. The next prime is 101231131003. The reversal of 101231131000 is 131132101.

It is a super-2 number, since 2×101231131000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231131003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50614566 + ... + 50616565.

Almost surely, 2^101231131000 is an apocalyptic number.

101231131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101231131000 is an abundant number, since it is smaller than the sum of its proper divisors (135649717880).

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

101231131000 is a wasteful number, since it uses less digits than its factorization.

101231131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101231152 (or 101231138 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 101231131000 its reverse (131132101), we get a palindrome (101362263101).

The spelling of 101231131000 in words is "one hundred one billion, two hundred thirty-one million, one hundred thirty-one thousand".