131101002123 has 16 divisors (see below), whose sum is σ = 215140106496. Its totient is φ = 69152176800.

The previous prime is 131101002047. The next prime is 131101002127. The reversal of 131101002123 is 321200101131.

It is a happy number.

It is not a de Polignac number, because 131101002123 - 2¹⁶ = 131100936587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131101002127) 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, 240111453 + ... + 240111998.

It is an arithmetic number, because the mean of its divisors is an integer number (13446256656).

Almost surely, 2^131101002123 is an apocalyptic number.

131101002123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131101002123 is a deficient number, since it is larger than the sum of its proper divisors (84039104373).

131101002123 is a wasteful number, since it uses less digits than its factorization.

131101002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480223474.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131101002123 its reverse (321200101131), we get a palindrome (452301103254).

The spelling of 131101002123 in words is "one hundred thirty-one billion, one hundred one million, two thousand, one hundred twenty-three".