1061313156 has 18 divisors (see below), whose sum is σ = 2682763902. Its totient is φ = 353771040.

The previous prime is 1061313101. The next prime is 1061313161. The reversal of 1061313156 is 6513131601.

1061313156 is a `hidden beast` number, since 10 + 613 + 1 + 31 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 864360000 + 196953156 = 29400^2 + 14034^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1061313156² = 2252771230197360672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14740425 + ... + 14740496.

It is an arithmetic number, because the mean of its divisors is an integer number (149042439).

Almost surely, 2^1061313156 is an apocalyptic number.

It is an amenable number.

1061313156 is an abundant number, since it is smaller than the sum of its proper divisors (1621450746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061313156 is a wasteful number, since it uses less digits than its factorization.

1061313156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29480931 (or 29480926 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1061313156 is about 32577.8015832867. The cubic root of 1061313156 is about 1020.0336897754.

Adding to 1061313156 its reverse (6513131601), we get a palindrome (7574444757).

The spelling of 1061313156 in words is "one billion, sixty-one million, three hundred thirteen thousand, one hundred fifty-six".