103240012340 has 48 divisors (see below), whose sum is σ = 230474401920. Its totient is φ = 38735164800.

The previous prime is 103240012331. The next prime is 103240012399. The reversal of 103240012340 is 43210042301.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1306592 + ... + 1383351.

It is an arithmetic number, because the mean of its divisors is an integer number (4801550040).

Almost surely, 2^103240012340 is an apocalyptic number.

103240012340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103240012340 is an abundant number, since it is smaller than the sum of its proper divisors (127234389580).

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

103240012340 is a wasteful number, since it uses less digits than its factorization.

103240012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690072 (or 2690070 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 103240012340 its reverse (43210042301), we get a palindrome (146450054641).

The spelling of 103240012340 in words is "one hundred three billion, two hundred forty million, twelve thousand, three hundred forty".