31023000001 has 24 divisors (see below), whose sum is σ = 39872165760. Its totient is φ = 23938814592.

The previous prime is 31022999993. The next prime is 31023000023. The reversal of 31023000001 is 10000032013.

It is not a de Polignac number, because 31023000001 - 2³ = 31022999993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31023000091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 790461 + ... + 828778.

It is an arithmetic number, because the mean of its divisors is an integer number (1661340240).

Almost surely, 2^31023000001 is an apocalyptic number.

It is an amenable number.

31023000001 is a deficient number, since it is larger than the sum of its proper divisors (8849165759).

31023000001 is a wasteful number, since it uses less digits than its factorization.

31023000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619293 (or 1619286 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 31023000001 its reverse (10000032013), we get a palindrome (41023032014).

The spelling of 31023000001 in words is "thirty-one billion, twenty-three million, one", and thus it is an aban number and an uban number.