31134679 has 2 divisors, whose sum is σ = 31134680. Its totient is φ = 31134678.

The previous prime is 31134671. The next prime is 31134721. The reversal of 31134679 is 97643113.

It is a weak prime.

It is an emirp because it is prime and its reverse (97643113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31134679 - 2³ = 31134671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31134671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15567339 + 15567340.

It is an arithmetic number, because the mean of its divisors is an integer number (15567340).

Almost surely, 2^31134679 is an apocalyptic number.

31134679 is a deficient number, since it is larger than the sum of its proper divisors (1).

31134679 is an equidigital number, since it uses as much as digits as its factorization.

31134679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 31134679 is about 5579.8457863995. The cubic root of 31134679 is about 314.5923306092.

It can be divided in two parts, 31134 and 679, that added together give a palindrome (31813).

The spelling of 31134679 in words is "thirty-one million, one hundred thirty-four thousand, six hundred seventy-nine".