1011455431330 has 16 divisors (see below), whose sum is σ = 1820958215544. Its totient is φ = 404506963840.

The previous prime is 1011455431309. The next prime is 1011455431361. The reversal of 1011455431330 is 331345541101.

It can be written as a sum of positive squares in 4 ways, for example, as 973736741961 + 37718689369 = 986781^2 + 194213^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011455431292 and 1011455431301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9344587 + ... + 9452206.

Almost surely, 2^{1011455431330} is an apocalyptic number.

1011455431330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011455431330 is a deficient number, since it is larger than the sum of its proper divisors (809502784214).

1011455431330 is a wasteful number, since it uses less digits than its factorization.

1011455431330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18802181.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 1011455431330 in words is "one trillion, eleven billion, four hundred fifty-five million, four hundred thirty-one thousand, three hundred thirty".