131103998 has 8 divisors (see below), whose sum is σ = 196989408. Its totient is φ = 65440864.

The previous prime is 131103967. The next prime is 131104003. The reversal of 131103998 is 899301131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54086 + ... + 56457.

It is an arithmetic number, because the mean of its divisors is an integer number (24623676).

Almost surely, 2^131103998 is an apocalyptic number.

131103998 is a deficient number, since it is larger than the sum of its proper divisors (65885410).

131103998 is a wasteful number, since it uses less digits than its factorization.

131103998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111138.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 131103998 is about 11450.0654146603. The cubic root of 131103998 is about 508.0096692520.

It can be divided in two parts, 13 and 1103998, that added together give a palindrome (1104011).

The spelling of 131103998 in words is "one hundred thirty-one million, one hundred three thousand, nine hundred ninety-eight".