103111331142 has 64 divisors (see below), whose sum is σ = 219580678656. Its totient is φ = 32206986240.

The previous prime is 103111331131. The next prime is 103111331143. The reversal of 103111331142 is 241133111301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111331143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4985142 + ... + 5005782.

It is an arithmetic number, because the mean of its divisors is an integer number (3430948104).

Almost surely, 2^103111331142 is an apocalyptic number.

103111331142 is an abundant number, since it is smaller than the sum of its proper divisors (116469347514).

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

103111331142 is a wasteful number, since it uses less digits than its factorization.

103111331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21405.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 103111331142 its reverse (241133111301), we get a palindrome (344244442443).

The spelling of 103111331142 in words is "one hundred three billion, one hundred eleven million, three hundred thirty-one thousand, one hundred forty-two".