2931047031 has 16 divisors (see below), whose sum is σ = 4264364160. Its totient is φ = 1775965920.

The previous prime is 2931046961. The next prime is 2931047051. The reversal of 2931047031 is 1307401392.

It is not a de Polignac number, because 2931047031 - 2⁷ = 2931046903 is a prime.

It is a super-2 number, since 2×2931047031² = 17182073395867829922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2931047031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2931047051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179725 + ... + 195353.

It is an arithmetic number, because the mean of its divisors is an integer number (266522760).

Almost surely, 2^2931047031 is an apocalyptic number.

2931047031 is a deficient number, since it is larger than the sum of its proper divisors (1333317129).

2931047031 is a wasteful number, since it uses less digits than its factorization.

2931047031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21326.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 2931047031 is about 54139.1450892974. The cubic root of 2931047031 is about 1431.1141057808.

The spelling of 2931047031 in words is "two billion, nine hundred thirty-one million, forty-seven thousand, thirty-one".