Search a number
-
+
232031013031 = 2271022163053
BaseRepresentation
bin1101100000011000100…
…0000100100010100111
3211011220122021201222101
43120012020010202213
512300144414404111
6254332113512531
722522642032436
oct3300610044247
9734818251871
10232031013031
118a4495043a4
1238b76872747
1318b5a3c971c
14b33217911d
156080539bc1
hex36062048a7

232031013031 has 4 divisors (see below), whose sum is σ = 233053176312. Its totient is φ = 231008849752.

The previous prime is 232031013013. The next prime is 232031013073. The reversal of 232031013031 is 130310130232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232031013031 - 221 = 232028915879 is a prime.

It is a super-2 number, since 2×2320310130312 (a number of 24 digits) 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 (232031013631) 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, 511081300 + ... + 511081753.

It is an arithmetic number, because the mean of its divisors is an integer number (58263294078).

Almost surely, 2232031013031 is an apocalyptic number.

232031013031 is a deficient number, since it is larger than the sum of its proper divisors (1022163281).

232031013031 is a wasteful number, since it uses less digits than its factorization.

232031013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022163280.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 232031013031 its reverse (130310130232), we get a palindrome (362341143263).

The spelling of 232031013031 in words is "two hundred thirty-two billion, thirty-one million, thirteen thousand, thirty-one".

Divisors: 1 227 1022163053 232031013031