131431430102 has 16 divisors (see below), whose sum is σ = 225328904352. Its totient is φ = 56323285440.

The previous prime is 131431430101. The next prime is 131431430153. The reversal of 131431430102 is 201034134131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131431430101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186623 + ... + 545610.

It is an arithmetic number, because the mean of its divisors is an integer number (14083056522).

Almost surely, 2^131431430102 is an apocalyptic number.

131431430102 is a deficient number, since it is larger than the sum of its proper divisors (93897474250).

131431430102 is a wasteful number, since it uses less digits than its factorization.

131431430102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745063.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131431430102 its reverse (201034134131), we get a palindrome (332465564233).

The spelling of 131431430102 in words is "one hundred thirty-one billion, four hundred thirty-one million, four hundred thirty thousand, one hundred two".