1013217131 has 2 divisors, whose sum is σ = 1013217132. Its totient is φ = 1013217130.

The previous prime is 1013217083. The next prime is 1013217157. The reversal of 1013217131 is 1317123101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013217131 - 2⁶ = 1013217067 is a prime.

It is a super-3 number, since 3×1013217131³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1013217181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506608565 + 506608566.

It is an arithmetic number, because the mean of its divisors is an integer number (506608566).

Almost surely, 2^1013217131 is an apocalyptic number.

1013217131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013217131 is an equidigital number, since it uses as much as digits as its factorization.

1013217131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1013217131 is about 31831.0717852855. The cubic root of 1013217131 is about 1004.3864413328.

The spelling of 1013217131 in words is "one billion, thirteen million, two hundred seventeen thousand, one hundred thirty-one".