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31324415425 = 5213119150077
BaseRepresentation
bin11101001011000101…
…001010010111000001
32222212001102011210021
4131023011022113001
51003123022243200
622220142533441
72156151065212
oct351305122701
988761364707
1031324415425
11123148a7a36
1260a2597281
132c5289b174
1417322c3409
15c3503d41a
hex74b14a5c1

31324415425 has 24 divisors (see below), whose sum is σ = 39344481792. Its totient is φ = 24737544000.

The previous prime is 31324415399. The next prime is 31324415431. The reversal of 31324415425 is 52451442313.

It is not a de Polignac number, because 31324415425 - 211 = 31324413377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600487 + ... + 650563.

It is an arithmetic number, because the mean of its divisors is an integer number (1639353408).

Almost surely, 231324415425 is an apocalyptic number.

It is an amenable number.

31324415425 is a deficient number, since it is larger than the sum of its proper divisors (8020066367).

31324415425 is a wasteful number, since it uses less digits than its factorization.

31324415425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50409 (or 50404 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

Adding to 31324415425 its reverse (52451442313), we get a palindrome (83775857738).

The spelling of 31324415425 in words is "thirty-one billion, three hundred twenty-four million, four hundred fifteen thousand, four hundred twenty-five".

Divisors: 1 5 25 131 191 655 955 3275 4775 25021 50077 125105 250385 625525 1251925 6560087 9564707 32800435 47823535 164002175 239117675 1252976617 6264883085 31324415425