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31004423414 = 215502211707
BaseRepresentation
bin11100111000000000…
…011111010011110110
32222000202021220021022
4130320000133103312
51001444113022124
622124312221142
72145214151666
oct347000372366
988022256238
1031004423414
1112170209228
12601339a7b2
132c014c0793
1417019c81a6
15c16dd0c5e
hex73801f4f6

31004423414 has 4 divisors (see below), whose sum is σ = 46506635124. Its totient is φ = 15502211706.

The previous prime is 31004423399. The next prime is 31004423441. The reversal of 31004423414 is 41432440013.

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

It is a super-2 number, since 2×310044234142 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7751105852 + ... + 7751105855.

It is an arithmetic number, because the mean of its divisors is an integer number (11626658781).

Almost surely, 231004423414 is an apocalyptic number.

31004423414 is a deficient number, since it is larger than the sum of its proper divisors (15502211710).

31004423414 is a wasteful number, since it uses less digits than its factorization.

31004423414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15502211709.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31004423414 its reverse (41432440013), we get a palindrome (72436863427).

The spelling of 31004423414 in words is "thirty-one billion, four million, four hundred twenty-three thousand, four hundred fourteen".

Divisors: 1 2 15502211707 31004423414