1157059031 has 4 divisors (see below), whose sum is σ = 1158651312. Its totient is φ = 1155466752.

The previous prime is 1157059009. The next prime is 1157059129. The reversal of 1157059031 is 1309507511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1309507511 = 13 ⋅100731347.

It is a cyclic number.

It is not a de Polignac number, because 1157059031 - 2¹⁴ = 1157042647 is a prime.

It is a super-2 number, since 2×1157059031² = 2677571202437317922, 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 (1157059331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795050 + ... + 796503.

It is an arithmetic number, because the mean of its divisors is an integer number (289662828).

Almost surely, 2^1157059031 is an apocalyptic number.

1157059031 is a deficient number, since it is larger than the sum of its proper divisors (1592281).

1157059031 is an equidigital number, since it uses as much as digits as its factorization.

1157059031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592280.

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 1157059031 is about 34015.5704200297. The cubic root of 1157059031 is about 1049.8288552501.

The spelling of 1157059031 in words is "one billion, one hundred fifty-seven million, fifty-nine thousand, thirty-one".