1431780348 has 24 divisors (see below), whose sum is σ = 3344826240. Its totient is φ = 476687920.

The previous prime is 1431780323. The next prime is 1431780377. The reversal of 1431780348 is 8430871341.

It is a super-2 number, since 2×1431780348² = 4099989929838002208, 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, 61038 + ... + 81173.

It is an arithmetic number, because the mean of its divisors is an integer number (139367760).

Almost surely, 2^1431780348 is an apocalyptic number.

It is an amenable number.

1431780348 is an abundant number, since it is smaller than the sum of its proper divisors (1913045892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431780348 is a wasteful number, since it uses less digits than its factorization.

1431780348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143057 (or 143055 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1431780348 is about 37838.8735033167. The cubic root of 1431780348 is about 1127.0905255273.

The spelling of 1431780348 in words is "one billion, four hundred thirty-one million, seven hundred eighty thousand, three hundred forty-eight".