1012313331 has 48 divisors (see below), whose sum is σ = 1635379200. Its totient is φ = 599664384.

The previous prime is 1012313321. The next prime is 1012313387. The reversal of 1012313331 is 1333132101.

It is a happy number.

1012313331 is a `hidden beast` number, since 10 + 12 + 313 + 331 = 666.

It is not a de Polignac number, because 1012313331 - 2¹⁰ = 1012312307 is a prime.

It is a super-2 number, since 2×1012313331² = 2049556560240631122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012313311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1392090 + ... + 1392816.

It is an arithmetic number, because the mean of its divisors is an integer number (34070400).

Almost surely, 2^1012313331 is an apocalyptic number.

1012313331 is a deficient number, since it is larger than the sum of its proper divisors (623065869).

1012313331 is a wasteful number, since it uses less digits than its factorization.

1012313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1012313331 is about 31816.8717978371. The cubic root of 1012313331 is about 1004.0877115135.

Adding to 1012313331 its reverse (1333132101), we get a palindrome (2345445432).

The spelling of 1012313331 in words is "one billion, twelve million, three hundred thirteen thousand, three hundred thirty-one".