1431152205402 has 8 divisors (see below), whose sum is σ = 2862304410816. Its totient is φ = 477050735132.

The previous prime is 1431152205397. The next prime is 1431152205407. The reversal of 1431152205402 is 2045022511341.

It is an interprime number because it is at equal distance from previous prime (1431152205397) and next prime (1431152205407).

It is a sphenic number, since it is the product of 3 distinct primes.

1431152205402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431152205402.

It is not an unprimeable number, because it can be changed into a prime (1431152205407) 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, 119262683778 + ... + 119262683789.

It is an arithmetic number, because the mean of its divisors is an integer number (357788051352).

Almost surely, 2^{1431152205402} is an apocalyptic number.

1431152205402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1431152205402 is a wasteful number, since it uses less digits than its factorization.

1431152205402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238525367572.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1431152205402 its reverse (2045022511341), we get a palindrome (3476174716743).

The spelling of 1431152205402 in words is "one trillion, four hundred thirty-one billion, one hundred fifty-two million, two hundred five thousand, four hundred two".