95031991 has 2 divisors, whose sum is σ = 95031992. Its totient is φ = 95031990.

The previous prime is 95031971. The next prime is 95031997. The reversal of 95031991 is 19913059.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 95031991 - 2¹⁹ = 94507703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 95031991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95031997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47515995 + 47515996.

It is an arithmetic number, because the mean of its divisors is an integer number (47515996).

Almost surely, 2^95031991 is an apocalyptic number.

95031991 is a deficient number, since it is larger than the sum of its proper divisors (1).

95031991 is an equidigital number, since it uses as much as digits as its factorization.

95031991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 95031991 is about 9748.4353103460. The cubic root of 95031991 is about 456.3414759724.

The spelling of 95031991 in words is "ninety-five million, thirty-one thousand, nine hundred ninety-one".