400323410031 has 8 divisors (see below), whose sum is σ = 534722833584. Its totient is φ = 266403129920.

The previous prime is 400323410029. The next prime is 400323410093. The reversal of 400323410031 is 130014323004.

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 400323410031 - 2¹ = 400323410029 is a prime.

It is a super-2 number, since 2×400323410031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400323410231) 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, 119783910 + ... + 119787251.

It is an arithmetic number, because the mean of its divisors is an integer number (66840354198).

Almost surely, 2^400323410031 is an apocalyptic number.

400323410031 is a deficient number, since it is larger than the sum of its proper divisors (134399423553).

400323410031 is a wasteful number, since it uses less digits than its factorization.

400323410031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239571721.

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

Adding to 400323410031 its reverse (130014323004), we get a palindrome (530337733035).

The spelling of 400323410031 in words is "four hundred billion, three hundred twenty-three million, four hundred ten thousand, thirty-one".