31213130233043 has 8 divisors (see below), whose sum is σ = 34055700222576. Its totient is φ = 28371395692800.

The previous prime is 31213130233001. The next prime is 31213130233091. The reversal of 31213130233043 is 34033203131213.

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

It is a cyclic number.

It is not a de Polignac number, because 31213130233043 - 2¹² = 31213130228947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31213130232997 and 31213130233015.

It is not an unprimeable number, because it can be changed into a prime (31213130233643) 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, 208784198 + ... + 208933643.

It is an arithmetic number, because the mean of its divisors is an integer number (4256962527822).

Almost surely, 2^{31213130233043} is an apocalyptic number.

31213130233043 is a deficient number, since it is larger than the sum of its proper divisors (2842569989533).

31213130233043 is a wasteful number, since it uses less digits than its factorization.

31213130233043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417724645.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 31213130233043 its reverse (34033203131213), we get a palindrome (65246333364256).

The spelling of 31213130233043 in words is "thirty-one trillion, two hundred thirteen billion, one hundred thirty million, two hundred thirty-three thousand, forty-three".