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31132310434 = 2292272364599
BaseRepresentation
bin11100111111101000…
…010101101110100010
32222100122221020021121
4130333220111232202
51002224332413214
622145121242454
72151326162311
oct347750255642
988318836247
1031132310434
1112226417685
12604a19342a
132c21b49584
141714998278
15c23243424
hex73fa15ba2

31132310434 has 16 divisors (see below), whose sum is σ = 48521592000. Its totient is φ = 14963176144.

The previous prime is 31132310431. The next prime is 31132310437. The reversal of 31132310434 is 43401323113.

It is an interprime number because it is at equal distance from previous prime (31132310431) and next prime (31132310437).

It is a junction number, because it is equal to n+sod(n) for n = 31132310399 and 31132310408.

It is not an unprimeable number, because it can be changed into a prime (31132310431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169134 + ... + 1195465.

It is an arithmetic number, because the mean of its divisors is an integer number (3032599500).

Almost surely, 231132310434 is an apocalyptic number.

31132310434 is a deficient number, since it is larger than the sum of its proper divisors (17389281566).

31132310434 is a wasteful number, since it uses less digits than its factorization.

31132310434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364857.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31132310434 its reverse (43401323113), we get a palindrome (74533633547).

The spelling of 31132310434 in words is "thirty-one billion, one hundred thirty-two million, three hundred ten thousand, four hundred thirty-four".

Divisors: 1 2 29 58 227 454 6583 13166 2364599 4729198 68573371 137146742 536763973 1073527946 15566155217 31132310434