1431721142107 has 16 divisors (see below), whose sum is σ = 1509373375488. Its totient is φ = 1355422273920.

The previous prime is 1431721142077. The next prime is 1431721142119. The reversal of 1431721142107 is 7012411271341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1431721142107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431721142197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111198 + ... + 1695820.

It is an arithmetic number, because the mean of its divisors is an integer number (94335835968).

Almost surely, 2^{1431721142107} is an apocalyptic number.

1431721142107 is a deficient number, since it is larger than the sum of its proper divisors (77652233381).

1431721142107 is a wasteful number, since it uses less digits than its factorization.

1431721142107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585050.

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 1431721142107 in words is "one trillion, four hundred thirty-one billion, seven hundred twenty-one million, one hundred forty-two thousand, one hundred seven".