100631031042 has 16 divisors (see below), whose sum is σ = 203254756992. Its totient is φ = 33211561200.

The previous prime is 100631031041. The next prime is 100631031043. The reversal of 100631031042 is 240130136001.

It is an interprime number because it is at equal distance from previous prime (100631031041) and next prime (100631031043).

It is not an unprimeable number, because it can be changed into a prime (100631031041) 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, 83028298 + ... + 83029509.

It is an arithmetic number, because the mean of its divisors is an integer number (12703422312).

Almost surely, 2^100631031042 is an apocalyptic number.

100631031042 is an abundant number, since it is smaller than the sum of its proper divisors (102623725950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100631031042 is a wasteful number, since it uses less digits than its factorization.

100631031042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166057913.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 100631031042 its reverse (240130136001), we get a palindrome (340761167043).

The spelling of 100631031042 in words is "one hundred billion, six hundred thirty-one million, thirty-one thousand, forty-two".