1013023011 has 108 divisors (see below), whose sum is σ = 1875660696. Its totient is φ = 484323840.

The previous prime is 1013023003. The next prime is 1013023021. The reversal of 1013023011 is 1103203101.

It is not a de Polignac number, because 1013023011 - 2³ = 1013023003 is a prime.

It is a super-2 number, since 2×1013023011² = 2052431241631012242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1013023021) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 3005835 + ... + 3006171.

Almost surely, 2^1013023011 is an apocalyptic number.

1013023011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1013023011 is a deficient number, since it is larger than the sum of its proper divisors (862637685).

1013023011 is a wasteful number, since it uses less digits than its factorization.

1013023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1013023011 is about 31828.0224173605. The cubic root of 1013023011 is about 1004.3222945200.

Adding to 1013023011 its reverse (1103203101), we get a palindrome (2116226112).

The spelling of 1013023011 in words is "one billion, thirteen million, twenty-three thousand, eleven".