1011204341331 has 32 divisors (see below), whose sum is σ = 1407064009728. Its totient is φ = 645409814400.

The previous prime is 1011204341327. The next prime is 1011204341369. The reversal of 1011204341331 is 1331434021101.

It is a happy number.

It is not a de Polignac number, because 1011204341331 - 2² = 1011204341327 is a prime.

It is a super-2 number, since 2×1011204341331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011204341431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1513306 + ... + 2076656.

It is an arithmetic number, because the mean of its divisors is an integer number (43970750304).

Almost surely, 2^{1011204341331} is an apocalyptic number.

1011204341331 is a deficient number, since it is larger than the sum of its proper divisors (395859668397).

1011204341331 is a wasteful number, since it uses less digits than its factorization.

1011204341331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563651.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1011204341331 its reverse (1331434021101), we get a palindrome (2342638362432).

The spelling of 1011204341331 in words is "one trillion, eleven billion, two hundred four million, three hundred forty-one thousand, three hundred thirty-one".