31343673630 has 16 divisors (see below), whose sum is σ = 75224816784. Its totient is φ = 8358312960.

The previous prime is 31343673629. The next prime is 31343673707. The reversal of 31343673630 is 3637634313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522394531 + ... + 522394590.

It is an arithmetic number, because the mean of its divisors is an integer number (4701551049).

Almost surely, 2^31343673630 is an apocalyptic number.

31343673630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31343673630 is an abundant number, since it is smaller than the sum of its proper divisors (43881143154).

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

31343673630 is a wasteful number, since it uses less digits than its factorization.

31343673630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044789131.

The product of its (nonzero) digits is 244944, while the sum is 39.

The spelling of 31343673630 in words is "thirty-one billion, three hundred forty-three million, six hundred seventy-three thousand, six hundred thirty".