67406315131 has 4 divisors (see below), whose sum is σ = 67508292064. Its totient is φ = 67304338200.

The previous prime is 67406315129. The next prime is 67406315227. The reversal of 67406315131 is 13151360476.

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 67406315131 - 2¹ = 67406315129 is a prime.

It is a super-2 number, since 2×67406315131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67406315101) 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, 50987475 + ... + 50988796.

It is an arithmetic number, because the mean of its divisors is an integer number (16877073016).

Almost surely, 2^67406315131 is an apocalyptic number.

67406315131 is a deficient number, since it is larger than the sum of its proper divisors (101976933).

67406315131 is a wasteful number, since it uses less digits than its factorization.

67406315131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101976932.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 67406315131 in words is "sixty-seven billion, four hundred six million, three hundred fifteen thousand, one hundred thirty-one".