1322400331351 has 4 divisors (see below), whose sum is σ = 1442618543304. Its totient is φ = 1202182119400.

The previous prime is 1322400331349. The next prime is 1322400331429. The reversal of 1322400331351 is 1531330042231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1322400331351 - 2¹ = 1322400331349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322400337351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60109105960 + ... + 60109105981.

It is an arithmetic number, because the mean of its divisors is an integer number (360654635826).

Almost surely, 2^{1322400331351} is an apocalyptic number.

1322400331351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1322400331351 is a deficient number, since it is larger than the sum of its proper divisors (120218211953).

1322400331351 is a wasteful number, since it uses less digits than its factorization.

1322400331351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120218211952.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 1322400331351 its reverse (1531330042231), we get a palindrome (2853730373582).

The spelling of 1322400331351 in words is "one trillion, three hundred twenty-two billion, four hundred million, three hundred thirty-one thousand, three hundred fifty-one".