1431276007 has 24 divisors (see below), whose sum is σ = 1696370688. Its totient is φ = 1182422640.

The previous prime is 1431275981. The next prime is 1431276037. The reversal of 1431276007 is 7006721341.

It is not a de Polignac number, because 1431276007 - 2¹¹ = 1431273959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431276007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431276037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1658058 + ... + 1658920.

It is an arithmetic number, because the mean of its divisors is an integer number (70682112).

Almost surely, 2^1431276007 is an apocalyptic number.

1431276007 is a deficient number, since it is larger than the sum of its proper divisors (265094681).

1431276007 is an frugal number, since it uses more digits than its factorization.

1431276007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1431276007 is about 37832.2085926793. The cubic root of 1431276007 is about 1126.9581717250.

Adding to 1431276007 its reverse (7006721341), we get a palindrome (8437997348).

The spelling of 1431276007 in words is "one billion, four hundred thirty-one million, two hundred seventy-six thousand, seven".