Base | Representation |
---|---|
bin | 11101001111101010… |
… | …011101010000001011 |
3 | 10000001102002100222021 |
4 | 131033222131100023 |
5 | 1003302213113003 |
6 | 22231530505311 |
7 | 2161103440342 |
oct | 351752352013 |
9 | 100042070867 |
10 | 31401301003 |
11 | 12354241236 |
12 | 6104295237 |
13 | 2c657aaaa7 |
14 | 173c5b8b59 |
15 | c3bb792bd |
hex | 74fa9d40b |
31401301003 has 2 divisors, whose sum is σ = 31401301004. Its totient is φ = 31401301002.
The previous prime is 31401300979. The next prime is 31401301037. The reversal of 31401301003 is 30010310413.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 31401301003 - 25 = 31401300971 is a prime.
It is not a weakly prime, because it can be changed into another prime (31401301073) 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 as a sum of consecutive naturals, namely, 15700650501 + 15700650502.
It is an arithmetic number, because the mean of its divisors is an integer number (15700650502).
Almost surely, 231401301003 is an apocalyptic number.
31401301003 is a deficient number, since it is larger than the sum of its proper divisors (1).
31401301003 is an equidigital number, since it uses as much as digits as its factorization.
31401301003 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 31401301003 its reverse (30010310413), we get a palindrome (61411611416).
The spelling of 31401301003 in words is "thirty-one billion, four hundred one million, three hundred one thousand, three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •