103131000 has 192 divisors, whose sum is σ = 398623680. Its totient is φ = 23558400.

The previous prime is 103130983. The next prime is 103131043. The reversal of 103131000 is 131301.

It is a super-2 number, since 2×103131000² = 21272006322000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62182 + ... + 63818.

It is an arithmetic number, because the mean of its divisors is an integer number (2076165).

Almost surely, 2^103131000 is an apocalyptic number.

103131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199311840).

103131000 is an abundant number, since it is smaller than the sum of its proper divisors (295492680).

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

103131000 is a wasteful number, since it uses less digits than its factorization.

103131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 103131000 is about 10155.3434210764. The cubic root of 103131000 is about 468.9534583439.

Adding to 103131000 its reverse (131301), we get a palindrome (103262301).

The spelling of 103131000 in words is "one hundred three million, one hundred thirty-one thousand".