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10230213031 = 41249517391
BaseRepresentation
bin10011000011100010…
…01010100110100111
3222101221221200000221
421201301022212213
5131422413304111
64411044545211
7511341242653
oct114161124647
928357850027
1010230213031
11437a763515
121b960b2207
13c705c26bc
146d096ba63
153ed1d4371
hex261c4a9a7

10230213031 has 4 divisors (see below), whose sum is σ = 10479730464. Its totient is φ = 9980695600.

The previous prime is 10230213023. The next prime is 10230213061. The reversal of 10230213031 is 13031203201.

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

It is not a de Polignac number, because 10230213031 - 23 = 10230213023 is a prime.

It is a super-2 number, since 2×102302130312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10230212996 and 10230213014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10230213061) 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, 124758655 + ... + 124758736.

It is an arithmetic number, because the mean of its divisors is an integer number (2619932616).

Almost surely, 210230213031 is an apocalyptic number.

10230213031 is a deficient number, since it is larger than the sum of its proper divisors (249517433).

10230213031 is an equidigital number, since it uses as much as digits as its factorization.

10230213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249517432.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10230213031 its reverse (13031203201), we get a palindrome (23261416232).

The spelling of 10230213031 in words is "ten billion, two hundred thirty million, two hundred thirteen thousand, thirty-one".

Divisors: 1 41 249517391 10230213031