1012100331 has 48 divisors (see below), whose sum is σ = 1551166848. Its totient is φ = 581817600.

The previous prime is 1012100317. The next prime is 1012100333. The reversal of 1012100331 is 1330012101.

It is not a de Polignac number, because 1012100331 - 2¹⁰ = 1012099307 is a prime.

It is a super-2 number, since 2×1012100331² = 2048694160020619122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012100333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1942351 + ... + 1942871.

It is an arithmetic number, because the mean of its divisors is an integer number (32315976).

Almost surely, 2^1012100331 is an apocalyptic number.

1012100331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012100331 is a deficient number, since it is larger than the sum of its proper divisors (539066517).

1012100331 is a wasteful number, since it uses less digits than its factorization.

1012100331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1012100331 is about 31813.5243410723. The cubic root of 1012100331 is about 1004.0172834890.

Adding to 1012100331 its reverse (1330012101), we get a palindrome (2342112432).

The spelling of 1012100331 in words is "one billion, twelve million, one hundred thousand, three hundred thirty-one".