31100421001 has 8 divisors (see below), whose sum is σ = 33494142080. Its totient is φ = 28706897232.

The previous prime is 31100420983. The next prime is 31100421013. The reversal of 31100421001 is 10012400113.

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

It is not a de Polignac number, because 31100421001 - 2⁵ = 31100420969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31100421031) 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, 530896 + ... + 586558.

It is an arithmetic number, because the mean of its divisors is an integer number (4186767760).

Almost surely, 2^31100421001 is an apocalyptic number.

It is an amenable number.

31100421001 is a deficient number, since it is larger than the sum of its proper divisors (2393721079).

31100421001 is a wasteful number, since it uses less digits than its factorization.

31100421001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98655.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 31100421001 its reverse (10012400113), we get a palindrome (41112821114).

The spelling of 31100421001 in words is "thirty-one billion, one hundred million, four hundred twenty-one thousand, one".