1110020123031 has 16 divisors (see below), whose sum is σ = 1495738293504. Its totient is φ = 732162311424.

The previous prime is 1110020123027. The next prime is 1110020123057. The reversal of 1110020123031 is 1303210200111.

It is a happy number.

It is not a de Polignac number, because 1110020123031 - 2² = 1110020123027 is a prime.

It is a super-2 number, since 2×1110020123031² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1110020123031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110020123011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385606 + ... + 1539068.

It is an arithmetic number, because the mean of its divisors is an integer number (93483643344).

Almost surely, 2^{1110020123031} is an apocalyptic number.

1110020123031 is a deficient number, since it is larger than the sum of its proper divisors (385718170473).

1110020123031 is a wasteful number, since it uses less digits than its factorization.

1110020123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156870.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1110020123031 its reverse (1303210200111), we get a palindrome (2413230323142).

The spelling of 1110020123031 in words is "one trillion, one hundred ten billion, twenty million, one hundred twenty-three thousand, thirty-one".