1310213450 has 144 divisors (see below), whose sum is σ = 3153798144. Its totient is φ = 400982400.

The previous prime is 1310213441. The next prime is 1310213479. The reversal of 1310213450 is 543120131.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 986687 + ... + 988013.

It is an arithmetic number, because the mean of its divisors is an integer number (21901376).

Almost surely, 2^1310213450 is an apocalyptic number.

1310213450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310213450 is an abundant number, since it is smaller than the sum of its proper divisors (1843584694).

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

1310213450 is a wasteful number, since it uses less digits than its factorization.

1310213450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1310213450 is about 36196.8707210996. The cubic root of 1310213450 is about 1094.2436065365.

Adding to 1310213450 its reverse (543120131), we get a palindrome (1853333581).

The spelling of 1310213450 in words is "one billion, three hundred ten million, two hundred thirteen thousand, four hundred fifty".