2931388130471 has 4 divisors (see below), whose sum is σ = 2933930532432. Its totient is φ = 2928845728512.

The previous prime is 2931388130459. The next prime is 2931388130479. The reversal of 2931388130471 is 1740318831392.

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 2931388130471 - 2¹⁴ = 2931388114087 is a prime.

It is a super-3 number, since 3×2931388130471³ (a number of 38 digits) contains 333 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 (2931388130479) 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, 1271199251 + ... + 1271201556.

It is an arithmetic number, because the mean of its divisors is an integer number (733482633108).

Almost surely, 2^{2931388130471} is an apocalyptic number.

2931388130471 is a deficient number, since it is larger than the sum of its proper divisors (2542401961).

2931388130471 is a wasteful number, since it uses less digits than its factorization.

2931388130471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542401960.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 2931388130471 in words is "two trillion, nine hundred thirty-one billion, three hundred eighty-eight million, one hundred thirty thousand, four hundred seventy-one".