31103401 has 8 divisors (see below), whose sum is σ = 35648640. Its totient is φ = 26583648.

The previous prime is 31103381. The next prime is 31103417. The reversal of 31103401 is 10430113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31103401 - 2¹³ = 31095209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31103441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3676 + ... + 8701.

It is an arithmetic number, because the mean of its divisors is an integer number (4456080).

Almost surely, 2^31103401 is an apocalyptic number.

It is an amenable number.

31103401 is a deficient number, since it is larger than the sum of its proper divisors (4545239).

31103401 is a wasteful number, since it uses less digits than its factorization.

31103401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 31103401 is about 5577.0423164972. The cubic root of 31103401 is about 314.4869484854.

Adding to 31103401 its reverse (10430113), we get a palindrome (41533514).

The spelling of 31103401 in words is "thirty-one million, one hundred three thousand, four hundred one".