31132011331130 has 16 divisors (see below), whose sum is σ = 57094933989384. Its totient is φ = 12217845956160.

The previous prime is 31132011331123. The next prime is 31132011331133. The reversal of 31132011331130 is 3113311023113.

It can be written as a sum of positive squares in 4 ways, for example, as 26194118484361 + 4937892846769 = 5118019^2 + 2222137^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31132011331096 and 31132011331105.

It is not an unprimeable number, because it can be changed into a prime (31132011331133) 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, 29369821481 + ... + 29369822540.

Almost surely, 2^{31132011331130} is an apocalyptic number.

31132011331130 is a deficient number, since it is larger than the sum of its proper divisors (25962922658254).

31132011331130 is a wasteful number, since it uses less digits than its factorization.

31132011331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58739644081.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 31132011331130 its reverse (3113311023113), we get a palindrome (34245322354243).

The spelling of 31132011331130 in words is "thirty-one trillion, one hundred thirty-two billion, eleven million, three hundred thirty-one thousand, one hundred thirty".