23031033030131 has 4 divisors (see below), whose sum is σ = 26321180605872. Its totient is φ = 19740885454392.

The previous prime is 23031033030107. The next prime is 23031033030157. The reversal of 23031033030131 is 13103033013032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23031033030131 is a prime.

It is a super-2 number, since 2×23031033030131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23031033030097 and 23031033030106.

It is not an unprimeable number, because it can be changed into a prime (23031030030131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645073787860 + ... + 1645073787873.

It is an arithmetic number, because the mean of its divisors is an integer number (6580295151468).

Almost surely, 2^{23031033030131} is an apocalyptic number.

23031033030131 is a deficient number, since it is larger than the sum of its proper divisors (3290147575741).

23031033030131 is an equidigital number, since it uses as much as digits as its factorization.

23031033030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290147575740.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 23031033030131 its reverse (13103033013032), we get a palindrome (36134066043163).

The spelling of 23031033030131 in words is "twenty-three trillion, thirty-one billion, thirty-three million, thirty thousand, one hundred thirty-one".