100320130431 has 36 divisors (see below), whose sum is σ = 154822671432. Its totient is φ = 62581833984.

The previous prime is 100320130429. The next prime is 100320130433. The reversal of 100320130431 is 134031023001.

100320130431 is a `hidden beast` number, since 1 + 0 + 0 + 3 + 201 + 30 + 431 = 666.

It is an interprime number because it is at equal distance from previous prime (100320130429) and next prime (100320130433).

It is not a de Polignac number, because 100320130431 - 2¹ = 100320130429 is a prime.

It is a super-2 number, since 2×100320130431² (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 (100320130433) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 338500 + ... + 561446.

It is an arithmetic number, because the mean of its divisors is an integer number (4300629762).

Almost surely, 2^100320130431 is an apocalyptic number.

100320130431 is a deficient number, since it is larger than the sum of its proper divisors (54502541001).

100320130431 is a wasteful number, since it uses less digits than its factorization.

100320130431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223160 (or 223140 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100320130431 its reverse (134031023001), we get a palindrome (234351153432).

The spelling of 100320130431 in words is "one hundred billion, three hundred twenty million, one hundred thirty thousand, four hundred thirty-one".