1402220134231 has 4 divisors (see below), whose sum is σ = 1602537296272. Its totient is φ = 1201902972192.

The previous prime is 1402220134229. The next prime is 1402220134247. The reversal of 1402220134231 is 1324310222041.

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 1402220134231 - 2¹ = 1402220134229 is a prime.

It is a super-2 number, since 2×1402220134231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1402220134196 and 1402220134205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402220134201) 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, 100158581010 + ... + 100158581023.

It is an arithmetic number, because the mean of its divisors is an integer number (400634324068).

Almost surely, 2^{1402220134231} is an apocalyptic number.

1402220134231 is a deficient number, since it is larger than the sum of its proper divisors (200317162041).

1402220134231 is an equidigital number, since it uses as much as digits as its factorization.

1402220134231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200317162040.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1402220134231 its reverse (1324310222041), we get a palindrome (2726530356272).

The spelling of 1402220134231 in words is "one trillion, four hundred two billion, two hundred twenty million, one hundred thirty-four thousand, two hundred thirty-one".