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3121000131013 = 16748738374997
BaseRepresentation
bin101101011010101010000…
…110101010100111000101
3102001100211212100210202221
4231122222012222213011
5402113302013143023
610345433452132341
7441325202254252
oct55325206524705
912040755323687
103121000131013
11aa3677234056
12424a547670b1
13198402c9bc6b
14ab0b2dc2429
15562b740485d
hex2d6aa1aa9c5

3121000131013 has 8 divisors (see below), whose sum is σ = 3146135836032. Its totient is φ = 3095941177296.

The previous prime is 3121000131001. The next prime is 3121000131043. The reversal of 3121000131013 is 3101310001213.

3121000131013 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 3121000131013 - 217 = 3120999999941 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 (3121000131043) 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, 19106170 + ... + 19268827.

It is an arithmetic number, because the mean of its divisors is an integer number (393266979504).

Almost surely, 23121000131013 is an apocalyptic number.

It is an amenable number.

3121000131013 is a deficient number, since it is larger than the sum of its proper divisors (25135705019).

3121000131013 is a wasteful number, since it uses less digits than its factorization.

3121000131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38375651.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 3121000131013 its reverse (3101310001213), we get a palindrome (6222310132226).

The spelling of 3121000131013 in words is "three trillion, one hundred twenty-one billion, one hundred thirty-one thousand, thirteen".

Divisors: 1 167 487 81329 38374997 6408624499 18688623539 3121000131013