101503031253 has 64 divisors (see below), whose sum is σ = 151161679872. Its totient is φ = 60179742720.

The previous prime is 101503031251. The next prime is 101503031293. The reversal of 101503031253 is 352130305101.

It is not a de Polignac number, because 101503031253 - 2¹ = 101503031251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101503031251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70831825 + ... + 70833257.

It is an arithmetic number, because the mean of its divisors is an integer number (2361901248).

Almost surely, 2^101503031253 is an apocalyptic number.

101503031253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101503031253 is a deficient number, since it is larger than the sum of its proper divisors (49658648619).

101503031253 is a wasteful number, since it uses less digits than its factorization.

101503031253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 101503031253 its reverse (352130305101), we get a palindrome (453633336354).

It can be divided in two parts, 10150 and 3031253, that added together give a palindrome (3041403).

The spelling of 101503031253 in words is "one hundred one billion, five hundred three million, thirty-one thousand, two hundred fifty-three".