103431401299978 has 16 divisors (see below), whose sum is σ = 155436097291776. Its totient is φ = 51619371597360.

The previous prime is 103431401299931. The next prime is 103431401300063. The reversal of 103431401299978 is 879992104134301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79578075 + ... + 80867377.

It is an arithmetic number, because the mean of its divisors is an integer number (9714756080736).

Almost surely, 2^{103431401299978} is an apocalyptic number.

103431401299978 is a deficient number, since it is larger than the sum of its proper divisors (52004695991798).

103431401299978 is a wasteful number, since it uses less digits than its factorization.

103431401299978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363989.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 103431401299978 in words is "one hundred three trillion, four hundred thirty-one billion, four hundred one million, two hundred ninety-nine thousand, nine hundred seventy-eight".