1011320356 has 6 divisors (see below), whose sum is σ = 1769810630. Its totient is φ = 505660176.

The previous prime is 1011320341. The next prime is 1011320399. The reversal of 1011320356 is 6530231101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 682985956 + 328334400 = 26134^2 + 18120^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126415041 + ... + 126415048.

Almost surely, 2^1011320356 is an apocalyptic number.

It is an amenable number.

1011320356 is a deficient number, since it is larger than the sum of its proper divisors (758490274).

1011320356 is a wasteful number, since it uses less digits than its factorization.

1011320356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252830093 (or 252830091 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1011320356 is about 31801.2634340210. The cubic root of 1011320356 is about 1003.7593019397.

Adding to 1011320356 its reverse (6530231101), we get a palindrome (7541551457).

The spelling of 1011320356 in words is "one billion, eleven million, three hundred twenty thousand, three hundred fifty-six".