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31233341023013 = 59529378661407
BaseRepresentation
bin1110001101000000101000…
…01100100110001100100101
311002120212201020102022210202
413012200110030212030211
513043211340300214023
6150232222045400245
76402351210202043
oct706402414461445
9132525636368722
1031233341023013
119a51a92835218
123605292869085
1314573a333572c
1479d9b7937393
153926b6a96128
hex1c6814326325

31233341023013 has 4 divisors (see below), whose sum is σ = 31762719684480. Its totient is φ = 30703962361548.

The previous prime is 31233341023007. The next prime is 31233341023019. The reversal of 31233341023013 is 31032014333213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (31233341023007) and next prime (31233341023019).

It is a cyclic number.

It is not a de Polignac number, because 31233341023013 - 24 = 31233341022997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233341023019) 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, 264689330645 + ... + 264689330762.

It is an arithmetic number, because the mean of its divisors is an integer number (7940679921120).

Almost surely, 231233341023013 is an apocalyptic number.

It is an amenable number.

31233341023013 is a deficient number, since it is larger than the sum of its proper divisors (529378661467).

31233341023013 is an equidigital number, since it uses as much as digits as its factorization.

31233341023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529378661466.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 31233341023013 its reverse (31032014333213), we get a palindrome (62265355356226).

The spelling of 31233341023013 in words is "thirty-one trillion, two hundred thirty-three billion, three hundred forty-one million, twenty-three thousand, thirteen".

Divisors: 1 59 529378661407 31233341023013