Search a number
-
+
31430240110 = 255701551311
BaseRepresentation
bin11101010001011000…
…110110011101101110
310000010102112121222001
4131101120312131232
51003332120140420
622234443042514
72161604430043
oct352130663556
9100112477861
1031430240110
1112369607655
126111b1043a
132c6b7a0c19
14174238d1ca
15c3e493b0a
hex75163676e

31430240110 has 16 divisors (see below), whose sum is σ = 56584458432. Its totient is φ = 12569868000.

The previous prime is 31430240099. The next prime is 31430240161. The reversal of 31430240110 is 1104203413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218646 + ... + 332665.

It is an arithmetic number, because the mean of its divisors is an integer number (3536528652).

Almost surely, 231430240110 is an apocalyptic number.

31430240110 is a deficient number, since it is larger than the sum of its proper divisors (25154218322).

31430240110 is a wasteful number, since it uses less digits than its factorization.

31430240110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557019.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31430240110 its reverse (1104203413), we get a palindrome (32534443523).

The spelling of 31430240110 in words is "thirty-one billion, four hundred thirty million, two hundred forty thousand, one hundred ten".

Divisors: 1 2 5 10 5701 11402 28505 57010 551311 1102622 2756555 5513110 3143024011 6286048022 15715120055 31430240110