103140102031 has 4 divisors (see below), whose sum is σ = 103158628000. Its totient is φ = 103121576064.

The previous prime is 103140102019. The next prime is 103140102061. The reversal of 103140102031 is 130201041301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130201041301 = 179 ⋅727380119.

It is a cyclic number.

It is not a de Polignac number, because 103140102031 - 2³¹ = 100992618383 is a prime.

It is a super-2 number, since 2×103140102031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103140101996 and 103140102014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103140102001) 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, 9254631 + ... + 9265768.

It is an arithmetic number, because the mean of its divisors is an integer number (25789657000).

Almost surely, 2^103140102031 is an apocalyptic number.

103140102031 is a deficient number, since it is larger than the sum of its proper divisors (18525969).

103140102031 is an equidigital number, since it uses as much as digits as its factorization.

103140102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18525968.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103140102031 its reverse (130201041301), we get a palindrome (233341143332).

The spelling of 103140102031 in words is "one hundred three billion, one hundred forty million, one hundred two thousand, thirty-one".