31703401 has 4 divisors (see below), whose sum is σ = 31714704. Its totient is φ = 31692100.

The previous prime is 31703387. The next prime is 31703429. The reversal of 31703401 is 10430713.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 31703401 - 2¹⁵ = 31670633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31703471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106 + ... + 8236.

It is an arithmetic number, because the mean of its divisors is an integer number (7928676).

Almost surely, 2^31703401 is an apocalyptic number.

It is an amenable number.

31703401 is a deficient number, since it is larger than the sum of its proper divisors (11303).

31703401 is an equidigital number, since it uses as much as digits as its factorization.

31703401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11302.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 31703401 is about 5630.5773238630. The cubic root of 31703401 is about 316.4962859371.

The spelling of 31703401 in words is "thirty-one million, seven hundred three thousand, four hundred one".