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1011113031 = 35940913967
BaseRepresentation
bin111100010001000…
…101110001000111
32121110120212022210
4330101011301013
54032321104111
6244155354503
734025214255
oct7421056107
92543525283
101011113031
11479824205
12242752a33
1313162b546
14984015d5
155db790a6
hex3c445c47

1011113031 has 16 divisors (see below), whose sum is σ = 1374451200. Its totient is φ = 660982848.

The previous prime is 1011113011. The next prime is 1011113071. The reversal of 1011113031 is 1303111101.

It is not a de Polignac number, because 1011113031 - 26 = 1011112967 is a prime.

It is a super-2 number, since 2×10111130312 = 2044699122916013922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011112998 and 1011113016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011113011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65410 + ... + 79376.

It is an arithmetic number, because the mean of its divisors is an integer number (85903200).

Almost surely, 21011113031 is an apocalyptic number.

1011113031 is a deficient number, since it is larger than the sum of its proper divisors (363338169).

1011113031 is a wasteful number, since it uses less digits than its factorization.

1011113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14438.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 1011113031 is about 31798.0035694067. The cubic root of 1011113031 is about 1003.6907056014.

Adding to 1011113031 its reverse (1303111101), we get a palindrome (2314224132).

The spelling of 1011113031 in words is "one billion, eleven million, one hundred thirteen thousand, thirty-one".

Divisors: 1 3 59 177 409 1227 13967 24131 41901 72393 824053 2472159 5712503 17137509 337037677 1011113031