31311302001130 has 8 divisors (see below), whose sum is σ = 56360343602052. Its totient is φ = 12524520800448.

The previous prime is 31311302001071. The next prime is 31311302001131. The reversal of 31311302001130 is 3110020311313.

It can be written as a sum of positive squares in 2 ways, for example, as 29583993739689 + 1727308261441 = 5439117^2 + 1314271^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31311302001098 and 31311302001107.

It is not an unprimeable number, because it can be changed into a prime (31311302001131) 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, 1565565100047 + ... + 1565565100066.

Almost surely, 2^{31311302001130} is an apocalyptic number.

31311302001130 is a deficient number, since it is larger than the sum of its proper divisors (25049041600922).

31311302001130 is a wasteful number, since it uses less digits than its factorization.

31311302001130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131130200120.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31311302001130 its reverse (3110020311313), we get a palindrome (34421322312443).

The spelling of 31311302001130 in words is "thirty-one trillion, three hundred eleven billion, three hundred two million, one thousand, one hundred thirty".