31012420410 has 24 divisors (see below), whose sum is σ = 80632293300. Its totient is φ = 8269978752.

The previous prime is 31012420381. The next prime is 31012420423. The reversal of 31012420410 is 1402421013.

31012420410 is a `hidden beast` number, since 3 + 10 + 1 + 242 + 0 + 410 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28719064089 + 2293356321 = 169467^2 + 47889^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172291135 + ... + 172291314.

Almost surely, 2^31012420410 is an apocalyptic number.

31012420410 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31012420410 is an abundant number, since it is smaller than the sum of its proper divisors (49619872890).

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

31012420410 is a wasteful number, since it uses less digits than its factorization.

31012420410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344582462 (or 344582459 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 31012420410 its reverse (1402421013), we get a palindrome (32414841423).

The spelling of 31012420410 in words is "thirty-one billion, twelve million, four hundred twenty thousand, four hundred ten".