1321405116310 has 64 divisors (see below), whose sum is σ = 2416312866240. Its totient is φ = 520217026560.

The previous prime is 1321405116307. The next prime is 1321405116323. The reversal of 1321405116310 is 136115041231.

It is a super-2 number, since 2×1321405116310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524157850 + ... + 524160370.

It is an arithmetic number, because the mean of its divisors is an integer number (37754888535).

Almost surely, 2^{1321405116310} is an apocalyptic number.

1321405116310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321405116310 is a deficient number, since it is larger than the sum of its proper divisors (1094907749930).

1321405116310 is a wasteful number, since it uses less digits than its factorization.

1321405116310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 1321405116310 in words is "one trillion, three hundred twenty-one billion, four hundred five million, one hundred sixteen thousand, three hundred ten".