346947932131 has 4 divisors (see below), whose sum is σ = 347274318832. Its totient is φ = 346621545432.

The previous prime is 346947932117. The next prime is 346947932137. The reversal of 346947932131 is 131239749643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131239749643 = 43 ⋅3052087201.

It is a cyclic number.

It is not a de Polignac number, because 346947932131 - 2⁵ = 346947932099 is a prime.

It is a super-2 number, since 2×346947932131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346947932137) 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, 163191756 + ... + 163193881.

It is an arithmetic number, because the mean of its divisors is an integer number (86818579708).

Almost surely, 2^346947932131 is an apocalyptic number.

346947932131 is a deficient number, since it is larger than the sum of its proper divisors (326386701).

346947932131 is a wasteful number, since it uses less digits than its factorization.

346947932131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326386700.

The product of its digits is 2939328, while the sum is 52.

The spelling of 346947932131 in words is "three hundred forty-six billion, nine hundred forty-seven million, nine hundred thirty-two thousand, one hundred thirty-one".