1031220023 has 8 divisors (see below), whose sum is σ = 1055907600. Its totient is φ = 1006564608.

The previous prime is 1031219977. The next prime is 1031220059. The reversal of 1031220023 is 3200221301.

It is a happy number.

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 1031220023 - 2⁸ = 1031219767 is a prime.

It is a super-2 number, since 2×1031220023² = 2126829471672241058, which 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 (1031220623) 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, 64583 + ... + 78951.

It is an arithmetic number, because the mean of its divisors is an integer number (131988450).

Almost surely, 2^1031220023 is an apocalyptic number.

1031220023 is a deficient number, since it is larger than the sum of its proper divisors (24687577).

1031220023 is a wasteful number, since it uses less digits than its factorization.

1031220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16081.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1031220023 is about 32112.6147020139. The cubic root of 1031220023 is about 1010.3002156262.

Adding to 1031220023 its reverse (3200221301), we get a palindrome (4231441324).

The spelling of 1031220023 in words is "one billion, thirty-one million, two hundred twenty thousand, twenty-three".