31452901 has 2 divisors, whose sum is σ = 31452902. Its totient is φ = 31452900.

The previous prime is 31452859. The next prime is 31452943. The reversal of 31452901 is 10925413.

It is a balanced prime because it is at equal distance from previous prime (31452859) and next prime (31452943).

It can be written as a sum of positive squares in only one way, i.e., 16008001 + 15444900 = 4001^2 + 3930^2 .

It is an emirp because it is prime and its reverse (10925413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31452901 - 2¹⁵ = 31420133 is a prime.

It is equal to p_1942153 and since 31452901 and 1942153 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31452301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15726450 + 15726451.

It is an arithmetic number, because the mean of its divisors is an integer number (15726451).

Almost surely, 2^31452901 is an apocalyptic number.

It is an amenable number.

31452901 is a deficient number, since it is larger than the sum of its proper divisors (1).

31452901 is an equidigital number, since it uses as much as digits as its factorization.

31452901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 31452901 is about 5608.2885981376. The cubic root of 31452901 is about 315.6604970174.

The spelling of 31452901 in words is "thirty-one million, four hundred fifty-two thousand, nine hundred one".