1002313400 has 48 divisors (see below), whose sum is σ = 2542236840. Its totient is φ = 364476800.

The previous prime is 1002313393. The next prime is 1002313409. The reversal of 1002313400 is 43132001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002313409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225599 + ... + 229998.

Almost surely, 2^1002313400 is an apocalyptic number.

1002313400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002313400 is an abundant number, since it is smaller than the sum of its proper divisors (1539923440).

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

1002313400 is a wasteful number, since it uses less digits than its factorization.

1002313400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455624 (or 455615 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1002313400 is about 31659.3335368892. Note that the first 3 decimals coincide. The cubic root of 1002313400 is about 1000.7705394498.

Adding to 1002313400 its reverse (43132001), we get a palindrome (1045445401).

The spelling of 1002313400 in words is "one billion, two million, three hundred thirteen thousand, four hundred".