312021101230046 has 16 divisors (see below), whose sum is σ = 530562196424400. Its totient is φ = 136430279080128.

The previous prime is 312021101230043. The next prime is 312021101230051. The reversal of 312021101230046 is 640032101120213.

It is a happy number.

It is a super-2 number, since 2×312021101230046² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 312021101229997 and 312021101230024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312021101230043) 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, 315810830711 + ... + 315810831698.

It is an arithmetic number, because the mean of its divisors is an integer number (33160137276525).

Almost surely, 2^{312021101230046} is an apocalyptic number.

312021101230046 is a deficient number, since it is larger than the sum of its proper divisors (218541095194354).

312021101230046 is a wasteful number, since it uses less digits than its factorization.

312021101230046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631621662443.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 312021101230046 its reverse (640032101120213), we get a palindrome (952053202350259).

The spelling of 312021101230046 in words is "three hundred twelve trillion, twenty-one billion, one hundred one million, two hundred thirty thousand, forty-six".