103253131450 has 48 divisors (see below), whose sum is σ = 219742810560. Its totient is φ = 35359758720.

The previous prime is 103253131369. The next prime is 103253131451. The reversal of 103253131450 is 54131352301.

It is a happy number.

It is a super-2 number, since 2×103253131450² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103253131451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128934 + ... + 472366.

It is an arithmetic number, because the mean of its divisors is an integer number (4577975220).

Almost surely, 2^103253131450 is an apocalyptic number.

103253131450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103253131450 is an abundant number, since it is smaller than the sum of its proper divisors (116489679110).

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

103253131450 is a wasteful number, since it uses less digits than its factorization.

103253131450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344311 (or 344306 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 103253131450 its reverse (54131352301), we get a palindrome (157384483751).

The spelling of 103253131450 in words is "one hundred three billion, two hundred fifty-three million, one hundred thirty-one thousand, four hundred fifty".