31325741 has 2 divisors, whose sum is σ = 31325742. Its totient is φ = 31325740.

The previous prime is 31325729. The next prime is 31325753. The reversal of 31325741 is 14752313.

It is a balanced prime because it is at equal distance from previous prime (31325729) and next prime (31325753).

It can be written as a sum of positive squares in only one way, i.e., 28249225 + 3076516 = 5315^2 + 1754^2 .

It is a cyclic number.

It is not a de Polignac number, because 31325741 - 2⁶ = 31325677 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31325741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31325711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15662870 + 15662871.

It is an arithmetic number, because the mean of its divisors is an integer number (15662871).

Almost surely, 2^31325741 is an apocalyptic number.

It is an amenable number.

31325741 is a deficient number, since it is larger than the sum of its proper divisors (1).

31325741 is an equidigital number, since it uses as much as digits as its factorization.

31325741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 31325741 is about 5596.9403248561. The cubic root of 31325741 is about 315.2345309737.

The spelling of 31325741 in words is "thirty-one million, three hundred twenty-five thousand, seven hundred forty-one".