31334145130 has 16 divisors (see below), whose sum is σ = 56441516040. Its totient is φ = 12524756992.

The previous prime is 31334145091. The next prime is 31334145131. The reversal of 31334145130 is 3154143313.

It can be written as a sum of positive squares in 4 ways, for example, as 7985388321 + 23348756809 = 89361^2 + 152803^2 .

It is not an unprimeable number, because it can be changed into a prime (31334145131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097839 + ... + 1126018.

Almost surely, 2^31334145130 is an apocalyptic number.

31334145130 is a deficient number, since it is larger than the sum of its proper divisors (25107370910).

31334145130 is a wasteful number, since it uses less digits than its factorization.

31334145130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225273.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 31334145130 its reverse (3154143313), we get a palindrome (34488288443).

The spelling of 31334145130 in words is "thirty-one billion, three hundred thirty-four million, one hundred forty-five thousand, one hundred thirty".