131332002031 has 4 divisors (see below), whose sum is σ = 131333201064. Its totient is φ = 131330803000.

The previous prime is 131332002029. The next prime is 131332002037. The reversal of 131332002031 is 130200233131.

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

It is a cyclic number.

It is not a de Polignac number, because 131332002031 - 2¹ = 131332002029 is a prime.

It is a super-2 number, since 2×131332002031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332002037) 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, 416620 + ... + 660481.

It is an arithmetic number, because the mean of its divisors is an integer number (32833300266).

Almost surely, 2^131332002031 is an apocalyptic number.

131332002031 is a deficient number, since it is larger than the sum of its proper divisors (1199033).

131332002031 is a wasteful number, since it uses less digits than its factorization.

131332002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199032.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131332002031 its reverse (130200233131), we get a palindrome (261532235162).

The spelling of 131332002031 in words is "one hundred thirty-one billion, three hundred thirty-two million, two thousand, thirty-one".