1402221320031 has 16 divisors (see below), whose sum is σ = 2137565850368. Its totient is φ = 800951457600.

The previous prime is 1402221320023. The next prime is 1402221320057. The reversal of 1402221320031 is 1300231222041.

It is not a de Polignac number, because 1402221320031 - 2³ = 1402221320023 is a prime.

It is a super-2 number, since 2×1402221320031² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402221320011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13190305 + ... + 13296186.

It is an arithmetic number, because the mean of its divisors is an integer number (133597865648).

Almost surely, 2^{1402221320031} is an apocalyptic number.

1402221320031 is a deficient number, since it is larger than the sum of its proper divisors (735344530337).

1402221320031 is a wasteful number, since it uses less digits than its factorization.

1402221320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26489022.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1402221320031 its reverse (1300231222041), we get a palindrome (2702452542072).

The spelling of 1402221320031 in words is "one trillion, four hundred two billion, two hundred twenty-one million, three hundred twenty thousand, thirty-one".