312033123031 has 12 divisors (see below), whose sum is σ = 382081376280. Its totient is φ = 253380279600.

The previous prime is 312033122971. The next prime is 312033123113. The reversal of 312033123031 is 130321330213.

It is not a de Polignac number, because 312033123031 - 2¹³ = 312033114839 is a prime.

It is a super-2 number, since 2×312033123031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312033122993 and 312033123011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312033120031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167578620 + ... + 167580481.

It is an arithmetic number, because the mean of its divisors is an integer number (31840114690).

Almost surely, 2^312033123031 is an apocalyptic number.

312033123031 is a deficient number, since it is larger than the sum of its proper divisors (70048253249).

312033123031 is a wasteful number, since it uses less digits than its factorization.

312033123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335159134 (or 335159127 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 312033123031 its reverse (130321330213), we get a palindrome (442354453244).

The spelling of 312033123031 in words is "three hundred twelve billion, thirty-three million, one hundred twenty-three thousand, thirty-one".