31303130134 has 32 divisors (see below), whose sum is σ = 49268067264. Its totient is φ = 14888163840.

The previous prime is 31303130123. The next prime is 31303130143. The reversal of 31303130134 is 43103130313.

It is a super-2 number, since 2×31303130134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12656722 + ... + 12659194.

It is an arithmetic number, because the mean of its divisors is an integer number (1539627102).

Almost surely, 2^31303130134 is an apocalyptic number.

31303130134 is a deficient number, since it is larger than the sum of its proper divisors (17964937130).

31303130134 is a wasteful number, since it uses less digits than its factorization.

31303130134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31303130134 its reverse (43103130313), we get a palindrome (74406260447).

The spelling of 31303130134 in words is "thirty-one billion, three hundred three million, one hundred thirty thousand, one hundred thirty-four".