31423232130 has 32 divisors (see below), whose sum is σ = 75422833344. Its totient is φ = 8378742336.

The previous prime is 31423232107. The next prime is 31423232147. The reversal of 31423232130 is 3123232413.

It is a self number, because there is not a number n which added to its sum of digits gives 31423232130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321832 + ... + 407948.

It is an arithmetic number, because the mean of its divisors is an integer number (2356963542).

Almost surely, 2^31423232130 is an apocalyptic number.

31423232130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31423232130 is an abundant number, since it is smaller than the sum of its proper divisors (43999601214).

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

31423232130 is a wasteful number, since it uses less digits than its factorization.

31423232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98290.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31423232130 its reverse (3123232413), we get a palindrome (34546464543).

The spelling of 31423232130 in words is "thirty-one billion, four hundred twenty-three million, two hundred thirty-two thousand, one hundred thirty".