10031123145 has 16 divisors (see below), whose sum is σ = 16121774592. Its totient is φ = 5325939840.

The previous prime is 10031123117. The next prime is 10031123153. The reversal of 10031123145 is 54132113001.

It is not a de Polignac number, because 10031123145 - 2²⁸ = 9762687689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496076 + ... + 1502765.

It is an arithmetic number, because the mean of its divisors is an integer number (1007610912).

Almost surely, 2^10031123145 is an apocalyptic number.

10031123145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10031123145 is a deficient number, since it is larger than the sum of its proper divisors (6090651447).

10031123145 is a wasteful number, since it uses less digits than its factorization.

10031123145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999072.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 10031123145 its reverse (54132113001), we get a palindrome (64163236146).

The spelling of 10031123145 in words is "ten billion, thirty-one million, one hundred twenty-three thousand, one hundred forty-five".