103143231402142 has 32 divisors (see below), whose sum is σ = 160891202080800. Its totient is φ = 49531566379008.

The previous prime is 103143231402139. The next prime is 103143231402161. The reversal of 103143231402142 is 241204132341301.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151641609 + ... + 152320267.

It is an arithmetic number, because the mean of its divisors is an integer number (5027850065025).

Almost surely, 2^{103143231402142} is an apocalyptic number.

103143231402142 is a deficient number, since it is larger than the sum of its proper divisors (57747970678658).

103143231402142 is a wasteful number, since it uses less digits than its factorization.

103143231402142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692460.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 103143231402142 its reverse (241204132341301), we get a palindrome (344347363743443).

The spelling of 103143231402142 in words is "one hundred three trillion, one hundred forty-three billion, two hundred thirty-one million, four hundred two thousand, one hundred forty-two".