1531023064 has 16 divisors (see below), whose sum is σ = 2875227120. Its totient is φ = 764295840.

The previous prime is 1531023061. The next prime is 1531023103. The reversal of 1531023064 is 4603201351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531023061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146599 + ... + 156694.

It is an arithmetic number, because the mean of its divisors is an integer number (179701695).

Almost surely, 2^1531023064 is an apocalyptic number.

It is an amenable number.

1531023064 is a deficient number, since it is larger than the sum of its proper divisors (1344204056).

1531023064 is a wasteful number, since it uses less digits than its factorization.

1531023064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303930 (or 303926 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1531023064 is about 39128.2898169598. The cubic root of 1531023064 is about 1152.5521301215.

The spelling of 1531023064 in words is "one billion, five hundred thirty-one million, twenty-three thousand, sixty-four".