100151031 has 16 divisors (see below), whose sum is σ = 136931328. Its totient is φ = 65080800.

The previous prime is 100151027. The next prime is 100151059. The reversal of 100151031 is 130151001.

It is not a de Polignac number, because 100151031 - 2² = 100151027 is a prime.

It is a super-2 number, since 2×100151031² = 20060458020725922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100150998 and 100151016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100151011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36901 + ... + 39521.

It is an arithmetic number, because the mean of its divisors is an integer number (8558208).

Almost surely, 2^100151031 is an apocalyptic number.

100151031 is a deficient number, since it is larger than the sum of its proper divisors (36780297).

100151031 is a wasteful number, since it uses less digits than its factorization.

100151031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 100151031 is about 10007.5487008558. The cubic root of 100151031 is about 464.3924404206.

The spelling of 100151031 in words is "one hundred million, one hundred fifty-one thousand, thirty-one".