31414621 has 4 divisors (see below), whose sum is σ = 35902432. Its totient is φ = 26926812.

The previous prime is 31414613. The next prime is 31414633. The reversal of 31414621 is 12641413.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12641413 = 1129 ⋅11197.

It is a cyclic number.

It is not a de Polignac number, because 31414621 - 2³ = 31414613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31414592 and 31414601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31414681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243895 + ... + 2243908.

It is an arithmetic number, because the mean of its divisors is an integer number (8975608).

Almost surely, 2^31414621 is an apocalyptic number.

It is an amenable number.

31414621 is a deficient number, since it is larger than the sum of its proper divisors (4487811).

31414621 is an equidigital number, since it uses as much as digits as its factorization.

31414621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487810.

The product of its digits is 576, while the sum is 22.

The square root of 31414621 is about 5604.8747532840. The cubic root of 31414621 is about 315.5323860021.

The spelling of 31414621 in words is "thirty-one million, four hundred fourteen thousand, six hundred twenty-one".