1012313123031 has 8 divisors (see below), whose sum is σ = 1542572377984. Its totient is φ = 578464641720.

The previous prime is 1012313122981. The next prime is 1012313123077. The reversal of 1012313123031 is 1303213132101.

It is a happy number.

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

It is not a de Polignac number, because 1012313123031 - 2²⁶ = 1012246014167 is a prime.

It is a super-2 number, since 2×1012313123031² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 48205386811 = 1012313123031 / (1 + 0 + 1 + 2 + 3 + 1 + 3 + 1 + 2 + 3 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012313122989 and 1012313123007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012313123431) 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, 24102693385 + ... + 24102693426.

It is an arithmetic number, because the mean of its divisors is an integer number (192821547248).

Almost surely, 2^{1012313123031} is an apocalyptic number.

1012313123031 is a deficient number, since it is larger than the sum of its proper divisors (530259254953).

1012313123031 is an equidigital number, since it uses as much as digits as its factorization.

1012313123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48205386821.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1012313123031 its reverse (1303213132101), we get a palindrome (2315526255132).

The spelling of 1012313123031 in words is "one trillion, twelve billion, three hundred thirteen million, one hundred twenty-three thousand, thirty-one".