1310403032320 has 36 divisors (see below), whose sum is σ = 3138824766420. Its totient is φ = 524161212416.

The previous prime is 1310403032251. The next prime is 1310403032371. The reversal of 1310403032320 is 232303040131.

It can be written as a sum of positive squares in 2 ways, for example, as 192629698816 + 1117773333504 = 438896^2 + 1057248^2 .

It is a super-2 number, since 2×1310403032320² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1310403032291 and 1310403032300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511874905 + ... + 511877464.

It is an arithmetic number, because the mean of its divisors is an integer number (87189576845).

Almost surely, 2^{1310403032320} is an apocalyptic number.

1310403032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310403032320 is an abundant number, since it is smaller than the sum of its proper divisors (1828421734100).

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

1310403032320 is an equidigital number, since it uses as much as digits as its factorization.

1310403032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023752390 (or 1023752376 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1310403032320 its reverse (232303040131), we get a palindrome (1542706072451).

The spelling of 1310403032320 in words is "one trillion, three hundred ten billion, four hundred three million, thirty-two thousand, three hundred twenty".