312343031431022 has 32 divisors (see below), whose sum is σ = 481261211596800. Its totient is φ = 151963281072288.

The previous prime is 312343031431021. The next prime is 312343031431033. The reversal of 312343031431022 is 220134130343213.

It is a super-2 number, since 2×312343031431022² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312343031431022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312343031431021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2676308 + ... + 25136600.

It is an arithmetic number, because the mean of its divisors is an integer number (15039412862400).

Almost surely, 2^{312343031431022} is an apocalyptic number.

312343031431022 is a deficient number, since it is larger than the sum of its proper divisors (168918180165778).

312343031431022 is a wasteful number, since it uses less digits than its factorization.

312343031431022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22461200.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 312343031431022 its reverse (220134130343213), we get a palindrome (532477161774235).

The spelling of 312343031431022 in words is "three hundred twelve trillion, three hundred forty-three billion, thirty-one million, four hundred thirty-one thousand, twenty-two".