123031133313 has 64 divisors (see below), whose sum is σ = 193153766400. Its totient is φ = 68830248960.

The previous prime is 123031133297. The next prime is 123031133341. The reversal of 123031133313 is 313331130321.

It is not a de Polignac number, because 123031133313 - 2⁴ = 123031133297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123031133363) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6462753 + ... + 6481761.

It is an arithmetic number, because the mean of its divisors is an integer number (3018027600).

Almost surely, 2^123031133313 is an apocalyptic number.

It is an amenable number.

123031133313 is a deficient number, since it is larger than the sum of its proper divisors (70122633087).

123031133313 is a wasteful number, since it uses less digits than its factorization.

123031133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19262.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 123031133313 its reverse (313331130321), we get a palindrome (436362263634).

The spelling of 123031133313 in words is "one hundred twenty-three billion, thirty-one million, one hundred thirty-three thousand, three hundred thirteen".