31141907 has 2 divisors, whose sum is σ = 31141908. Its totient is φ = 31141906.

The previous prime is 31141897. The next prime is 31141921. The reversal of 31141907 is 70914113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31141907 - 2¹² = 31137811 is a prime.

It is a Chen prime.

It is equal to p_1924154 and since 31141907 and 1924154 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (31141927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15570953 + 15570954.

It is an arithmetic number, because the mean of its divisors is an integer number (15570954).

Almost surely, 2^31141907 is an apocalyptic number.

31141907 is a deficient number, since it is larger than the sum of its proper divisors (1).

31141907 is an equidigital number, since it uses as much as digits as its factorization.

31141907 is an evil number, because the sum of its binary digits is even.

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

The square root of 31141907 is about 5580.4934369642. The cubic root of 31141907 is about 314.6166732126.

The spelling of 31141907 in words is "thirty-one million, one hundred forty-one thousand, nine hundred seven".