1350311881 has 2 divisors, whose sum is σ = 1350311882. Its totient is φ = 1350311880.

The previous prime is 1350311869. The next prime is 1350312001. The reversal of 1350311881 is 1881130531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1230606400 + 119705481 = 35080^2 + 10941^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350311881 - 2⁵ = 1350311849 is a prime.

It is a super-2 number, since 2×1350311881² = 3646684351939516322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1350311801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675155940 + 675155941.

It is an arithmetic number, because the mean of its divisors is an integer number (675155941).

Almost surely, 2^1350311881 is an apocalyptic number.

It is an amenable number.

1350311881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350311881 is an equidigital number, since it uses as much as digits as its factorization.

1350311881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1350311881 is about 36746.5900594872. The cubic root of 1350311881 is about 1105.2945526261.

The spelling of 1350311881 in words is "one billion, three hundred fifty million, three hundred eleven thousand, eight hundred eighty-one".