31255141 has 6 divisors (see below), whose sum is σ = 31936550. Its totient is φ = 30587976.

The previous prime is 31255117. The next prime is 31255151. The reversal of 31255141 is 14155213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30758116 + 497025 = 5546^2 + 705^2 .

It is not a de Polignac number, because 31255141 - 2⁷ = 31255013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31255111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4866 + ... + 9283.

Almost surely, 2^31255141 is an apocalyptic number.

It is an amenable number.

31255141 is a deficient number, since it is larger than the sum of its proper divisors (681409).

31255141 is an equidigital number, since it uses as much as digits as its factorization.

31255141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243 (or 14196 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 31255141 is about 5590.6297498582. The cubic root of 31255141 is about 314.9975342043.

The spelling of 31255141 in words is "thirty-one million, two hundred fifty-five thousand, one hundred forty-one".