1301222331000 has 96 divisors (see below), whose sum is σ = 4398131509200. Its totient is φ = 346992619200.

The previous prime is 1301222330957. The next prime is 1301222331029. The reversal of 1301222331000 is 1332221031.

1301222331000 is a `hidden beast` number, since 130 + 1 + 2 + 223 + 310 + 0 + 0 = 666.

It is a super-2 number, since 2×1301222331000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72281130 + ... + 72299129.

Almost surely, 2^{1301222331000} is an apocalyptic number.

1301222331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301222331000 is an abundant number, since it is smaller than the sum of its proper divisors (3096909178200).

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

1301222331000 is a wasteful number, since it uses less digits than its factorization.

1301222331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144580286 (or 144580269 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1301222331000 its reverse (1332221031), we get a palindrome (1302554552031).

The spelling of 1301222331000 in words is "one trillion, three hundred one billion, two hundred twenty-two million, three hundred thirty-one thousand".