101031323130 has 48 divisors (see below), whose sum is σ = 265282270344. Its totient is φ = 26674934400.

The previous prime is 101031323123. The next prime is 101031323149. The reversal of 101031323130 is 31323130101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 92080081809 + 8951241321 = 303447^2 + 94611^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5548189 + ... + 5566368.

Almost surely, 2^101031323130 is an apocalyptic number.

101031323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101031323130 is an abundant number, since it is smaller than the sum of its proper divisors (164250947214).

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

101031323130 is a wasteful number, since it uses less digits than its factorization.

101031323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11114671 (or 11114668 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 101031323130 its reverse (31323130101), we get a palindrome (132354453231).

The spelling of 101031323130 in words is "one hundred one billion, thirty-one million, three hundred twenty-three thousand, one hundred thirty".