Search a number
-
+
31077672211313 = 713893837223387
BaseRepresentation
bin1110001000011110101011…
…00111001101001101110001
311002000222220102002100012022
413010033111213031031301
513033134033041230223
6150032515134441225
76355200455140010
oct704172547151561
9132028812070168
1031077672211313
1199a1a6a851a22
12359b089663215
1314457c54b8130
1479624b348a77
1538d60549dac8
hex1c43d59cd371

31077672211313 has 16 divisors (see below), whose sum is σ = 38679211751040. Its totient is φ = 24312647373696.

The previous prime is 31077672211303. The next prime is 31077672211427. The reversal of 31077672211313 is 31311227677013.

It is a cyclic number.

It is not a de Polignac number, because 31077672211313 - 24 = 31077672211297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31077672211303) 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, 1918603595 + ... + 1918619792.

It is an arithmetic number, because the mean of its divisors is an integer number (2417450734440).

Almost surely, 231077672211313 is an apocalyptic number.

It is an amenable number.

31077672211313 is a deficient number, since it is larger than the sum of its proper divisors (7601539539727).

31077672211313 is a wasteful number, since it uses less digits than its factorization.

31077672211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837223496.

The product of its (nonzero) digits is 222264, while the sum is 44.

Adding to 31077672211313 its reverse (31311227677013), we get a palindrome (62388899888326).

The spelling of 31077672211313 in words is "thirty-one trillion, seventy-seven billion, six hundred seventy-two million, two hundred eleven thousand, three hundred thirteen".

Divisors: 1 7 13 89 91 623 1157 8099 3837223387 26860563709 49883904031 341512881443 349187328217 2390590170101 4439667458759 31077672211313