312021113043 has 8 divisors (see below), whose sum is σ = 416030769088. Its totient is φ = 208012766184.

The previous prime is 312021113029. The next prime is 312021113059. The reversal of 312021113043 is 340311120213.

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

It is not a de Polignac number, because 312021113043 - 2⁹ = 312021112531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312021113143) 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, 622896 + ... + 1006002.

It is an arithmetic number, because the mean of its divisors is an integer number (52003846136).

Almost surely, 2^312021113043 is an apocalyptic number.

312021113043 is a deficient number, since it is larger than the sum of its proper divisors (104009656045).

312021113043 is a wasteful number, since it uses less digits than its factorization.

312021113043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654593.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312021113043 its reverse (340311120213), we get a palindrome (652332233256).

The spelling of 312021113043 in words is "three hundred twelve billion, twenty-one million, one hundred thirteen thousand, forty-three".