1431071668 has 24 divisors (see below), whose sum is σ = 2742737760. Its totient is φ = 649298400.

The previous prime is 1431071627. The next prime is 1431071689. The reversal of 1431071668 is 8661701341.

It is a super-2 number, since 2×1431071668² = 4095932237904604448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230158 + ... + 236293.

It is an arithmetic number, because the mean of its divisors is an integer number (114280740).

Almost surely, 2^1431071668 is an apocalyptic number.

It is an amenable number.

1431071668 is a deficient number, since it is larger than the sum of its proper divisors (1311666092).

1431071668 is a wasteful number, since it uses less digits than its factorization.

1431071668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466527 (or 466525 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1431071668 is about 37829.5079005794. The cubic root of 1431071668 is about 1126.9045383553.

The spelling of 1431071668 in words is "one billion, four hundred thirty-one million, seventy-one thousand, six hundred sixty-eight".