31252350500130 has 32 divisors (see below), whose sum is σ = 75005881272000. Its totient is φ = 8333933458752.

The previous prime is 31252350500123. The next prime is 31252350500131. The reversal of 31252350500130 is 3100505325213.

It is a super-2 number, since 2×31252350500130² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (31252350500131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8975781 + ... + 11961159.

It is an arithmetic number, because the mean of its divisors is an integer number (2343933789750).

Almost surely, 2^{31252350500130} is an apocalyptic number.

31252350500130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31252350500130 is an abundant number, since it is smaller than the sum of its proper divisors (43753530771870).

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

31252350500130 is a wasteful number, since it uses less digits than its factorization.

31252350500130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334338.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 31252350500130 its reverse (3100505325213), we get a palindrome (34352855825343).

The spelling of 31252350500130 in words is "thirty-one trillion, two hundred fifty-two billion, three hundred fifty million, five hundred thousand, one hundred thirty".