31023119983 has 4 divisors (see below), whose sum is σ = 31779781488. Its totient is φ = 30266458480.

The previous prime is 31023119977. The next prime is 31023120019. The reversal of 31023119983 is 38991132013.

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 31023119983 - 2²⁹ = 30486249071 is a prime.

It is a super-2 number, since 2×31023119983² (a number of 22 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 (31023119483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378330691 + ... + 378330772.

It is an arithmetic number, because the mean of its divisors is an integer number (7944945372).

Almost surely, 2^31023119983 is an apocalyptic number.

31023119983 is a deficient number, since it is larger than the sum of its proper divisors (756661505).

31023119983 is an equidigital number, since it uses as much as digits as its factorization.

31023119983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756661504.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 31023119983 in words is "thirty-one billion, twenty-three million, one hundred nineteen thousand, nine hundred eighty-three".