31233111132130 has 8 divisors (see below), whose sum is σ = 56219600037852. Its totient is φ = 12493244452848.

The previous prime is 31233111132029. The next prime is 31233111132143. The reversal of 31233111132130 is 3123111133213.

It can be written as a sum of positive squares in 2 ways, for example, as 31217954813809 + 15156318321 = 5587303^2 + 123111^2 .

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 = 31233111132095 and 31233111132104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561655556597 + ... + 1561655556616.

Almost surely, 2^{31233111132130} is an apocalyptic number.

31233111132130 is a deficient number, since it is larger than the sum of its proper divisors (24986488905722).

31233111132130 is a wasteful number, since it uses less digits than its factorization.

31233111132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123311113220.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 31233111132130 its reverse (3123111133213), we get a palindrome (34356222265343).

The spelling of 31233111132130 in words is "thirty-one trillion, two hundred thirty-three billion, one hundred eleven million, one hundred thirty-two thousand, one hundred thirty".