31322313130 has 8 divisors (see below), whose sum is σ = 56380163652. Its totient is φ = 12528925248.

The previous prime is 31322313101. The next prime is 31322313131. The reversal of 31322313130 is 3131322313.

It can be written as a sum of positive squares in 2 ways, for example, as 28771962129 + 2550351001 = 169623^2 + 50501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31322313131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566115647 + ... + 1566115666.

Almost surely, 2^31322313130 is an apocalyptic number.

31322313130 is a deficient number, since it is larger than the sum of its proper divisors (25057850522).

31322313130 is a wasteful number, since it uses less digits than its factorization.

31322313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132231320.

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

Adding to 31322313130 its reverse (3131322313), we get a palindrome (34453635443).

The spelling of 31322313130 in words is "thirty-one billion, three hundred twenty-two million, three hundred thirteen thousand, one hundred thirty".