100401431631 has 8 divisors (see below), whose sum is σ = 136716843264. Its totient is φ = 65510153880.

The previous prime is 100401431623. The next prime is 100401431671. The reversal of 100401431631 is 136134104001.

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

It is not a de Polignac number, because 100401431631 - 2³ = 100401431623 is a prime.

It is a super-2 number, since 2×100401431631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100401431671) 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, 356033305 + ... + 356033586.

It is an arithmetic number, because the mean of its divisors is an integer number (17089605408).

Almost surely, 2^100401431631 is an apocalyptic number.

100401431631 is a deficient number, since it is larger than the sum of its proper divisors (36315411633).

100401431631 is an equidigital number, since it uses as much as digits as its factorization.

100401431631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712066941.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 100401431631 its reverse (136134104001), we get a palindrome (236535535632).

The spelling of 100401431631 in words is "one hundred billion, four hundred one million, four hundred thirty-one thousand, six hundred thirty-one".