1431132300221 has 8 divisors (see below), whose sum is σ = 1541674218840. Its totient is φ = 1320655355712.

The previous prime is 1431132300211. The next prime is 1431132300229. The reversal of 1431132300221 is 1220032311341.

It can be written as a sum of positive squares in 4 ways, for example, as 402964692025 + 1028167608196 = 634795^2 + 1013986^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1431132300221 - 2³⁴ = 1413952431037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431132300229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16197770 + ... + 16285883.

It is an arithmetic number, because the mean of its divisors is an integer number (192709277355).

Almost surely, 2^{1431132300221} is an apocalyptic number.

It is an amenable number.

1431132300221 is a deficient number, since it is larger than the sum of its proper divisors (110541918619).

1431132300221 is a wasteful number, since it uses less digits than its factorization.

1431132300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32487055.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1431132300221 its reverse (1220032311341), we get a palindrome (2651164611562).

The spelling of 1431132300221 in words is "one trillion, four hundred thirty-one billion, one hundred thirty-two million, three hundred thousand, two hundred twenty-one".