1031012133031 has 4 divisors (see below), whose sum is σ = 1056158770464. Its totient is φ = 1005865495600.

The previous prime is 1031012133023. The next prime is 1031012133037. The reversal of 1031012133031 is 1303312101301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031012133031 - 2³ = 1031012133023 is a prime.

It is a super-2 number, since 2×1031012133031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031012133037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12573318655 + ... + 12573318736.

It is an arithmetic number, because the mean of its divisors is an integer number (264039692616).

Almost surely, 2^{1031012133031} is an apocalyptic number.

1031012133031 is a deficient number, since it is larger than the sum of its proper divisors (25146637433).

1031012133031 is an equidigital number, since it uses as much as digits as its factorization.

1031012133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25146637432.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1031012133031 its reverse (1303312101301), we get a palindrome (2334324234332).

The spelling of 1031012133031 in words is "one trillion, thirty-one billion, twelve million, one hundred thirty-three thousand, thirty-one".