1431651254042 has 4 divisors (see below), whose sum is σ = 2147476881066. Its totient is φ = 715825627020.

The previous prime is 1431651254023. The next prime is 1431651254093. The reversal of 1431651254042 is 2404521561341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1415169572881 + 16481681161 = 1189609^2 + 128381^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1431651253987 and 1431651254005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357912813509 + ... + 357912813512.

Almost surely, 2^{1431651254042} is an apocalyptic number.

1431651254042 is a deficient number, since it is larger than the sum of its proper divisors (715825627024).

1431651254042 is an equidigital number, since it uses as much as digits as its factorization.

1431651254042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715825627023.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 1431651254042 in words is "one trillion, four hundred thirty-one billion, six hundred fifty-one million, two hundred fifty-four thousand, forty-two".