31004004401 has 8 divisors (see below), whose sum is σ = 31216071744. Its totient is φ = 30792489840.

The previous prime is 31004004373. The next prime is 31004004431. The reversal of 31004004401 is 10440040013.

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

It is a cyclic number.

It is not a de Polignac number, because 31004004401 - 2¹⁰ = 31004003377 is a prime.

It is a super-2 number, since 2×31004004401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31004004401.

It is not an unprimeable number, because it can be changed into a prime (31004004431) 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, 25325 + ... + 250298.

It is an arithmetic number, because the mean of its divisors is an integer number (3902008968).

Almost surely, 2^31004004401 is an apocalyptic number.

It is an amenable number.

31004004401 is a deficient number, since it is larger than the sum of its proper divisors (212067343).

31004004401 is a wasteful number, since it uses less digits than its factorization.

31004004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276391.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 31004004401 its reverse (10440040013), we get a palindrome (41444044414).

The spelling of 31004004401 in words is "thirty-one billion, four million, four thousand, four hundred one".