131211023023 has 16 divisors (see below), whose sum is σ = 139741187040. Its totient is φ = 122846976000.

The previous prime is 131211023003. The next prime is 131211023059. The reversal of 131211023023 is 320320112131.

It is a cyclic number.

It is not a de Polignac number, because 131211023023 - 2⁵ = 131211022991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211023003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241163 + ... + 1342723.

It is an arithmetic number, because the mean of its divisors is an integer number (8733824190).

Almost surely, 2^131211023023 is an apocalyptic number.

131211023023 is a deficient number, since it is larger than the sum of its proper divisors (8530164017).

131211023023 is a wasteful number, since it uses less digits than its factorization.

131211023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102378.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131211023023 its reverse (320320112131), we get a palindrome (451531135154).

The spelling of 131211023023 in words is "one hundred thirty-one billion, two hundred eleven million, twenty-three thousand, twenty-three".