1503222431340 has 192 divisors, whose sum is σ = 4937461401600. Its totient is φ = 334545008640.

The previous prime is 1503222431329. The next prime is 1503222431341. The reversal of 1503222431340 is 431342223051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1503222431298 and 1503222431307.

It is not an unprimeable number, because it can be changed into a prime (1503222431341) 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, 8574886 + ... + 8748434.

It is an arithmetic number, because the mean of its divisors is an integer number (25715944800).

Almost surely, 2^{1503222431340} is an apocalyptic number.

1503222431340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1503222431340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2468730700800).

1503222431340 is an abundant number, since it is smaller than the sum of its proper divisors (3434238970260).

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

1503222431340 is a wasteful number, since it uses less digits than its factorization.

1503222431340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174112 (or 174110 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1503222431340 its reverse (431342223051), we get a palindrome (1934564654391).

The spelling of 1503222431340 in words is "one trillion, five hundred three billion, two hundred twenty-two million, four hundred thirty-one thousand, three hundred forty".