131001412402123 has 24 divisors (see below), whose sum is σ = 145639110446928. Its totient is φ = 117415237074432.

The previous prime is 131001412402073. The next prime is 131001412402139. The reversal of 131001412402123 is 321204214100131.

It is not a de Polignac number, because 131001412402123 - 2¹³ = 131001412393931 is a prime.

It is a super-2 number, since 2×131001412402123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131001412402193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30044586 + ... + 34127407.

It is an arithmetic number, because the mean of its divisors is an integer number (6068296268622).

Almost surely, 2^{131001412402123} is an apocalyptic number.

131001412402123 is a deficient number, since it is larger than the sum of its proper divisors (14637698044805).

131001412402123 is a wasteful number, since it uses less digits than its factorization.

131001412402123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64172283 (or 64172260 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 131001412402123 its reverse (321204214100131), we get a palindrome (452205626502254).

The spelling of 131001412402123 in words is "one hundred thirty-one trillion, one billion, four hundred twelve million, four hundred two thousand, one hundred twenty-three".