1431260381 has 8 divisors (see below), whose sum is σ = 1472469600. Its totient is φ = 1390184208.

The previous prime is 1431260333. The next prime is 1431260393. The reversal of 1431260381 is 1830621341.

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 1431260381 - 2¹⁴ = 1431243997 is a prime.

It is a super-2 number, since 2×1431260381² = 4097012556440530322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431260321) 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, 11231 + ... + 54668.

It is an arithmetic number, because the mean of its divisors is an integer number (184058700).

Almost surely, 2^1431260381 is an apocalyptic number.

It is an amenable number.

1431260381 is a deficient number, since it is larger than the sum of its proper divisors (41209219).

1431260381 is an equidigital number, since it uses as much as digits as its factorization.

1431260381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66523.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1431260381 is about 37832.0020749629. The cubic root of 1431260381 is about 1126.9540705099.

The spelling of 1431260381 in words is "one billion, four hundred thirty-one million, two hundred sixty thousand, three hundred eighty-one".