1402434145531 has 12 divisors (see below), whose sum is σ = 1508324300680. Its totient is φ = 1300353233760.

The previous prime is 1402434145373. The next prime is 1402434145537. The reversal of 1402434145531 is 1355414342041.

It is a happy number.

It is not a de Polignac number, because 1402434145531 - 2²³ = 1402425756923 is a prime.

It is a super-2 number, since 2×1402434145531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402434145537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16665210 + ... + 16749151.

Almost surely, 2^{1402434145531} is an apocalyptic number.

1402434145531 is a deficient number, since it is larger than the sum of its proper divisors (105890155149).

1402434145531 is an equidigital number, since it uses as much as digits as its factorization.

1402434145531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33414474 (or 33414427 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 1402434145531 its reverse (1355414342041), we get a palindrome (2757848487572).

The spelling of 1402434145531 in words is "one trillion, four hundred two billion, four hundred thirty-four million, one hundred forty-five thousand, five hundred thirty-one".