31424604628 has 24 divisors (see below), whose sum is σ = 55968615360. Its totient is φ = 15435288000.

The previous prime is 31424604593. The next prime is 31424604649. The reversal of 31424604628 is 82640642413.

It is a super-3 number, since 3×31424604628³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141088 + ... + 287671.

It is an arithmetic number, because the mean of its divisors is an integer number (2332025640).

Almost surely, 2^31424604628 is an apocalyptic number.

It is an amenable number.

31424604628 is a deficient number, since it is larger than the sum of its proper divisors (24544010732).

31424604628 is a wasteful number, since it uses less digits than its factorization.

31424604628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429087 (or 429085 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 31424604628 in words is "thirty-one billion, four hundred twenty-four million, six hundred four thousand, six hundred twenty-eight".