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1012341031 = 13139560233
BaseRepresentation
bin111100010101110…
…001100100100111
32121112220020211021
4330111301210213
54033124403111
6244241552011
734041520402
oct7425614447
92545806737
101012341031
1147a492889
12243045607
1313196b480
1498640d39
155dd1cd71
hex3c571927

1012341031 has 8 divisors (see below), whose sum is σ = 1098058640. Its totient is φ = 927744192.

The previous prime is 1012341013. The next prime is 1012341047. The reversal of 1012341031 is 1301432101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012341031 - 25 = 1012340999 is a prime.

It is a super-2 number, since 2×10123410312 = 2049668726092285922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012340996 and 1012341014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012341061) 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, 278310 + ... + 281923.

It is an arithmetic number, because the mean of its divisors is an integer number (137257330).

Almost surely, 21012341031 is an apocalyptic number.

1012341031 is a deficient number, since it is larger than the sum of its proper divisors (85717609).

1012341031 is a wasteful number, since it uses less digits than its factorization.

1012341031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560385.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1012341031 is about 31817.3070984959. The cubic root of 1012341031 is about 1004.0968697373.

Adding to 1012341031 its reverse (1301432101), we get a palindrome (2313773132).

The spelling of 1012341031 in words is "one billion, twelve million, three hundred forty-one thousand, thirty-one".

Divisors: 1 13 139 1807 560233 7283029 77872387 1012341031