Search a number
-
+
1201010211031 is a prime number
BaseRepresentation
bin10001011110100001110…
…010010111100011010111
311020211000110121010222211
4101132201302113203113
5124134132103223111
62315423024534251
7152525103232501
oct21364162274327
94224013533884
101201010211031
11423388a54644
1217491ba81387
138934098b807
14421b4772d71
1521393737521
hex117a1c978d7

1201010211031 has 2 divisors, whose sum is σ = 1201010211032. Its totient is φ = 1201010211030.

The previous prime is 1201010210977. The next prime is 1201010211059. The reversal of 1201010211031 is 1301120101021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201010211031 - 225 = 1200976656599 is a prime.

It is a super-2 number, since 2×12010102110312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201010271031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600505105515 + 600505105516.

It is an arithmetic number, because the mean of its divisors is an integer number (600505105516).

Almost surely, 21201010211031 is an apocalyptic number.

1201010211031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201010211031 is an equidigital number, since it uses as much as digits as its factorization.

1201010211031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1201010211031 its reverse (1301120101021), we get a palindrome (2502130312052).

The spelling of 1201010211031 in words is "one trillion, two hundred one billion, ten million, two hundred eleven thousand, thirty-one".