103100867820 has 60 divisors (see below), whose sum is σ = 323431245984. Its totient is φ = 27493564320.

The previous prime is 103100867801. The next prime is 103100867851. The reversal of 103100867820 is 28768001301.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×103100867820² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31819636 + ... + 31822875.

Almost surely, 2^103100867820 is an apocalyptic number.

103100867820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103100867820 is an abundant number, since it is smaller than the sum of its proper divisors (220330378164).

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

103100867820 is a wasteful number, since it uses less digits than its factorization.

103100867820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63642532 (or 63642521 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 103100867820 in words is "one hundred three billion, one hundred million, eight hundred sixty-seven thousand, eight hundred twenty".