31004233401 has 8 divisors (see below), whose sum is σ = 41640722784. Its totient is φ = 20518616480.

The previous prime is 31004233373. The next prime is 31004233409. The reversal of 31004233401 is 10433240013.

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 31004233401 - 2¹¹ = 31004231353 is a prime.

It is a super-2 number, since 2×31004233401² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31004233409) 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, 37717635 + ... + 37718456.

It is an arithmetic number, because the mean of its divisors is an integer number (5205090348).

Almost surely, 2^31004233401 is an apocalyptic number.

It is an amenable number.

31004233401 is a deficient number, since it is larger than the sum of its proper divisors (10636489383).

31004233401 is a wasteful number, since it uses less digits than its factorization.

31004233401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75436231.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31004233401 its reverse (10433240013), we get a palindrome (41437473414).

The spelling of 31004233401 in words is "thirty-one billion, four million, two hundred thirty-three thousand, four hundred one".