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1310212231031 = 111669212933521
BaseRepresentation
bin10011000100001110101…
…111000000111101110111
311122020212221110112121002
4103010032233000331313
5132431303312343111
62441523031113515
7163442165131604
oct23041657007567
94566787415532
101310212231031
11465726713550
12191b1751289b
1396724a620b2
14475b39956ab
152413575663b
hex1310ebc0f77

1310212231031 has 16 divisors (see below), whose sum is σ = 1430893274400. Its totient is φ = 1189793740800.

The previous prime is 1310212230997. The next prime is 1310212231033. The reversal of 1310212231031 is 1301322120131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1310212231031 - 230 = 1309138489207 is a prime.

It is a super-2 number, since 2×13102122310312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310212230994 and 1310212231012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310212231033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39069551 + ... + 39103071.

It is an arithmetic number, because the mean of its divisors is an integer number (89430829650).

Almost surely, 21310212231031 is an apocalyptic number.

1310212231031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1310212231031 is a deficient number, since it is larger than the sum of its proper divisors (120681043369).

1310212231031 is a wasteful number, since it uses less digits than its factorization.

1310212231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37330.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1310212231031 its reverse (1301322120131), we get a palindrome (2611534351162).

The spelling of 1310212231031 in words is "one trillion, three hundred ten billion, two hundred twelve million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 11 1669 2129 18359 23419 33521 368731 3553301 39086311 55946549 71366209 615412039 785028299 119110202821 1310212231031