103154431 has 4 divisors (see below), whose sum is σ = 104175864. Its totient is φ = 102133000.

The previous prime is 103154413. The next prime is 103154437. The reversal of 103154431 is 134451301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103154431 - 2⁵ = 103154399 is a prime.

It is a super-2 number, since 2×103154431² = 21281673269867522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103154437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510565 + ... + 510766.

It is an arithmetic number, because the mean of its divisors is an integer number (26043966).

Almost surely, 2^103154431 is an apocalyptic number.

103154431 is a deficient number, since it is larger than the sum of its proper divisors (1021433).

103154431 is a wasteful number, since it uses less digits than its factorization.

103154431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021432.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 103154431 is about 10156.4969846892. The cubic root of 103154431 is about 468.9889705127.

The spelling of 103154431 in words is "one hundred three million, one hundred fifty-four thousand, four hundred thirty-one".