103012431253 has 4 divisors (see below), whose sum is σ = 103013268480. Its totient is φ = 103011594028.

The previous prime is 103012431239. The next prime is 103012431259. The reversal of 103012431253 is 352134210301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 103012431253 - 2¹³ = 103012423061 is a prime.

It is a super-2 number, since 2×103012431253² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103012431259) 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, 193813 + ... + 493546.

It is an arithmetic number, because the mean of its divisors is an integer number (25753317120).

Almost surely, 2^103012431253 is an apocalyptic number.

It is an amenable number.

103012431253 is a deficient number, since it is larger than the sum of its proper divisors (837227).

103012431253 is an equidigital number, since it uses as much as digits as its factorization.

103012431253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837226.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 103012431253 its reverse (352134210301), we get a palindrome (455146641554).

The spelling of 103012431253 in words is "one hundred three billion, twelve million, four hundred thirty-one thousand, two hundred fifty-three".