100203006131 has 4 divisors (see below), whose sum is σ = 100203713232. Its totient is φ = 100202299032.

The previous prime is 100203006103. The next prime is 100203006133. The reversal of 100203006131 is 131600302001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100203006131 is a prime.

It is a super-2 number, since 2×100203006131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100203006133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59420 + ... + 451593.

It is an arithmetic number, because the mean of its divisors is an integer number (25050928308).

Almost surely, 2^100203006131 is an apocalyptic number.

100203006131 is a deficient number, since it is larger than the sum of its proper divisors (707101).

100203006131 is an equidigital number, since it uses as much as digits as its factorization.

100203006131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707100.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100203006131 its reverse (131600302001), we get a palindrome (231803308132).

The spelling of 100203006131 in words is "one hundred billion, two hundred three million, six thousand, one hundred thirty-one".