131000029999999 has 8 divisors (see below), whose sum is σ = 138706026030288. Its totient is φ = 123294046404480.

The previous prime is 131000029999981. The next prime is 131000030000011. The reversal of 131000029999999 is 999999920000131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131000029999999 - 2⁵ = 131000029999967 is a prime.

It is a super-2 number, since 2×131000029999999² (a number of 29 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 (131000029999799) 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, 26805589 + ... + 31313569.

It is an arithmetic number, because the mean of its divisors is an integer number (17338253253786).

Almost surely, 2^{131000029999999} is an apocalyptic number.

131000029999999 is a deficient number, since it is larger than the sum of its proper divisors (7705996030289).

131000029999999 is a wasteful number, since it uses less digits than its factorization.

131000029999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217385.

The product of its (nonzero) digits is 28697814, while the sum is 70.

The spelling of 131000029999999 in words is "one hundred thirty-one trillion, twenty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".