1013217031 has 2 divisors, whose sum is σ = 1013217032. Its totient is φ = 1013217030.

The previous prime is 1013216921. The next prime is 1013217053. The reversal of 1013217031 is 1307123101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013217031 - 2²⁵ = 979662599 is a prime.

It is a super-2 number, since 2×1013217031² = 2053217503816909922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013217061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506608515 + 506608516.

It is an arithmetic number, because the mean of its divisors is an integer number (506608516).

Almost surely, 2^1013217031 is an apocalyptic number.

1013217031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013217031 is an equidigital number, since it uses as much as digits as its factorization.

1013217031 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 19.

The square root of 1013217031 is about 31831.0702144933. The cubic root of 1013217031 is about 1004.3864082900.

The spelling of 1013217031 in words is "one billion, thirteen million, two hundred seventeen thousand, thirty-one".