31449061 has 4 divisors (see below), whose sum is σ = 35941792. Its totient is φ = 26956332.

The previous prime is 31449053. The next prime is 31449071. The reversal of 31449061 is 16094413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31449061 - 2³ = 31449053 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 (31449071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246355 + ... + 2246368.

It is an arithmetic number, because the mean of its divisors is an integer number (8985448).

Almost surely, 2^31449061 is an apocalyptic number.

It is an amenable number.

31449061 is a deficient number, since it is larger than the sum of its proper divisors (4492731).

31449061 is an equidigital number, since it uses as much as digits as its factorization.

31449061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492730.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 31449061 is about 5607.9462372601. The cubic root of 31449061 is about 315.6476504478.

The spelling of 31449061 in words is "thirty-one million, four hundred forty-nine thousand, sixty-one".