1057347131 has 8 divisors (see below), whose sum is σ = 1113539280. Its totient is φ = 1001209248.

The previous prime is 1057347121. The next prime is 1057347133. The reversal of 1057347131 is 1317437501.

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 1057347131 - 2²² = 1053152827 is a prime.

It is a super-2 number, since 2×1057347131² = 2235965910867862322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057347133) 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, 30065 + ... + 54941.

It is an arithmetic number, because the mean of its divisors is an integer number (139192410).

Almost surely, 2^1057347131 is an apocalyptic number.

1057347131 is a deficient number, since it is larger than the sum of its proper divisors (56192149).

1057347131 is a wasteful number, since it uses less digits than its factorization.

1057347131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27133.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 1057347131 is about 32516.8745576816. The cubic root of 1057347131 is about 1018.7615145875.

The spelling of 1057347131 in words is "one billion, fifty-seven million, three hundred forty-seven thousand, one hundred thirty-one".