31242010230 has 160 divisors (see below), whose sum is σ = 85094634240. Its totient is φ = 8224027200.

The previous prime is 31242010199. The next prime is 31242010243. The reversal of 31242010230 is 3201024213.

31242010230 is a `hidden beast` number, since 3 + 1 + 2 + 420 + 10 + 230 = 666.

It is a super-2 number, since 2×31242010230² (a number of 22 digits) contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 21892777 + ... + 21894203.

It is an arithmetic number, because the mean of its divisors is an integer number (531841464).

Almost surely, 2^31242010230 is an apocalyptic number.

31242010230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31242010230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42547317120).

31242010230 is an abundant number, since it is smaller than the sum of its proper divisors (53852624010).

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

31242010230 is a wasteful number, since it uses less digits than its factorization.

31242010230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 31242010230 its reverse (3201024213), we get a palindrome (34443034443).

The spelling of 31242010230 in words is "thirty-one billion, two hundred forty-two million, ten thousand, two hundred thirty".