1031120022431 has 8 divisors (see below), whose sum is σ = 1034519824800. Its totient is φ = 1027725124608.

The previous prime is 1031120022419. The next prime is 1031120022467. The reversal of 1031120022431 is 1342200211301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031120022431 - 2³⁰ = 1030046280607 is a prime.

It is a super-2 number, since 2×1031120022431² (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 (1031120022731) 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, 804731 + ... + 1646156.

It is an arithmetic number, because the mean of its divisors is an integer number (129314978100).

Almost surely, 2^{1031120022431} is an apocalyptic number.

1031120022431 is a deficient number, since it is larger than the sum of its proper divisors (3399802369).

1031120022431 is an equidigital number, since it uses as much as digits as its factorization.

1031120022431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452273.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1031120022431 its reverse (1342200211301), we get a palindrome (2373320233732).

The spelling of 1031120022431 in words is "one trillion, thirty-one billion, one hundred twenty million, twenty-two thousand, four hundred thirty-one".