31079141 has 4 divisors (see below), whose sum is σ = 32430432. Its totient is φ = 29727852.

The previous prime is 31079131. The next prime is 31079159. The reversal of 31079141 is 14197013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31079141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31079141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31079131) 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, 675611 + ... + 675656.

It is an arithmetic number, because the mean of its divisors is an integer number (8107608).

Almost surely, 2^31079141 is an apocalyptic number.

It is an amenable number.

31079141 is a deficient number, since it is larger than the sum of its proper divisors (1351291).

31079141 is a wasteful number, since it uses less digits than its factorization.

31079141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351290.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 31079141 is about 5574.8669042409. The cubic root of 31079141 is about 314.4051628115.

The spelling of 31079141 in words is "thirty-one million, seventy-nine thousand, one hundred forty-one".