102831980 has 36 divisors (see below), whose sum is σ = 229410048. Its totient is φ = 38711040.

The previous prime is 102831979. The next prime is 102832013. The reversal of 102831980 is 89138201.

It is a super-2 number, since 2×102831980² = 21148832221440800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3116 + ... + 14675.

Almost surely, 2^102831980 is an apocalyptic number.

102831980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102831980 is an abundant number, since it is smaller than the sum of its proper divisors (126578068).

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

102831980 is a wasteful number, since it uses less digits than its factorization.

102831980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17834 (or 17815 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 102831980 is about 10140.6104352746. The cubic root of 102831980 is about 468.4997887168.

The spelling of 102831980 in words is "one hundred two million, eight hundred thirty-one thousand, nine hundred eighty".