Search a number
-
+
1031442401213 = 73131991148579
BaseRepresentation
bin11110000001001101100…
…00100000011110111101
310122121022222211220100022
433000212300200132331
5113344343223314323
62105501010141525
7134343050516150
oct17004660403675
93577288756308
101031442401213
11368483389344
12147a97b818a5
1376359436b83
1437cca27dc97
151bc6bd0d4c8
hexf026c207bd

1031442401213 has 16 divisors (see below), whose sum is σ = 1216863068160. Its totient is φ = 855541839600.

The previous prime is 1031442401201. The next prime is 1031442401243. The reversal of 1031442401213 is 3121042441301.

It is not a de Polignac number, because 1031442401213 - 214 = 1031442384829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031442401243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6867758 + ... + 7016336.

It is an arithmetic number, because the mean of its divisors is an integer number (76053941760).

Almost surely, 21031442401213 is an apocalyptic number.

It is an amenable number.

1031442401213 is a deficient number, since it is larger than the sum of its proper divisors (185420666947).

1031442401213 is a wasteful number, since it uses less digits than its factorization.

1031442401213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180608.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1031442401213 its reverse (3121042441301), we get a palindrome (4152484842514).

The spelling of 1031442401213 in words is "one trillion, thirty-one billion, four hundred forty-two million, four hundred one thousand, two hundred thirteen".

Divisors: 1 7 31 217 31991 148579 223937 991721 1040053 4605949 6942047 32241643 4753190789 33272335523 147348914459 1031442401213