103431492 has 36 divisors (see below), whose sum is σ = 271137776. Its totient is φ = 34476840.

The previous prime is 103431491. The next prime is 103431533. The reversal of 103431492 is 294134301.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (103431491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52234 + ... + 54177.

Almost surely, 2^103431492 is an apocalyptic number.

103431492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103431492 is an abundant number, since it is smaller than the sum of its proper divisors (167706284).

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

103431492 is a wasteful number, since it uses less digits than its factorization.

103431492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106430 (or 106416 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 103431492 is about 10170.1274328299. The cubic root of 103431492 is about 469.4084787258.

Subtracting from 103431492 its product of nonzero digits (2592), we obtain a square (103428900 = 10170²).

Adding to 103431492 its reverse (294134301), we get a palindrome (397565793).

The spelling of 103431492 in words is "one hundred three million, four hundred thirty-one thousand, four hundred ninety-two".