30131431070 has 64 divisors (see below), whose sum is σ = 59723818560. Its totient is φ = 10877718528.

The previous prime is 30131431069. The next prime is 30131431081. The reversal of 30131431070 is 7013413103.

It is a super-2 number, since 2×30131431070² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1032236 + ... + 1061024.

It is an arithmetic number, because the mean of its divisors is an integer number (933184665).

Almost surely, 2^30131431070 is an apocalyptic number.

30131431070 is a deficient number, since it is larger than the sum of its proper divisors (29592387490).

30131431070 is a wasteful number, since it uses less digits than its factorization.

30131431070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28989.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 30131431070 its reverse (7013413103), we get a palindrome (37144844173).

The spelling of 30131431070 in words is "thirty billion, one hundred thirty-one million, four hundred thirty-one thousand, seventy".