31348401 has 16 divisors (see below), whose sum is σ = 47854464. Its totient is φ = 17881344.

The previous prime is 31348399. The next prime is 31348433. The reversal of 31348401 is 10484313.

It is not a de Polignac number, because 31348401 - 2¹ = 31348399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31348441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15801 + ... + 17673.

It is an arithmetic number, because the mean of its divisors is an integer number (2990904).

Almost surely, 2^31348401 is an apocalyptic number.

It is an amenable number.

31348401 is a deficient number, since it is larger than the sum of its proper divisors (16506063).

31348401 is a wasteful number, since it uses less digits than its factorization.

31348401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 31348401 is about 5598.9642792216. The cubic root of 31348401 is about 315.3105227145.

The spelling of 31348401 in words is "thirty-one million, three hundred forty-eight thousand, four hundred one".