31457303030 has 32 divisors (see below), whose sum is σ = 59964442560. Its totient is φ = 11840670720.

The previous prime is 31457302897. The next prime is 31457303063. The reversal of 31457303030 is 3030375413.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31457302984 and 31457303002.

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 15 ways as a sum of consecutive naturals, for example, 1240175 + ... + 1265285.

It is an arithmetic number, because the mean of its divisors is an integer number (1873888830).

Almost surely, 2^31457303030 is an apocalyptic number.

31457303030 is a deficient number, since it is larger than the sum of its proper divisors (28507139530).

31457303030 is a wasteful number, since it uses less digits than its factorization.

31457303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32504.

The product of its (nonzero) digits is 11340, while the sum is 29.

Adding to 31457303030 its reverse (3030375413), we get a palindrome (34487678443).

The spelling of 31457303030 in words is "thirty-one billion, four hundred fifty-seven million, three hundred three thousand, thirty".