31001313230 has 8 divisors (see below), whose sum is σ = 55802363832. Its totient is φ = 12400525288.

The previous prime is 31001313137. The next prime is 31001313241. The reversal of 31001313230 is 3231310013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31001313230² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31001313199 and 31001313208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550065652 + ... + 1550065671.

It is an arithmetic number, because the mean of its divisors is an integer number (6975295479).

Almost surely, 2^31001313230 is an apocalyptic number.

31001313230 is a deficient number, since it is larger than the sum of its proper divisors (24801050602).

31001313230 is a wasteful number, since it uses less digits than its factorization.

31001313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100131330.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31001313230 its reverse (3231310013), we get a palindrome (34232623243).

The spelling of 31001313230 in words is "thirty-one billion, one million, three hundred thirteen thousand, two hundred thirty".