1020452031 has 12 divisors (see below), whose sum is σ = 1475571552. Its totient is φ = 679569696.

The previous prime is 1020452011. The next prime is 1020452033. The reversal of 1020452031 is 1302540201.

It is not a de Polignac number, because 1020452031 - 2⁶ = 1020451967 is a prime.

It is a super-2 number, since 2×1020452031² = 2082644695144049922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020451995 and 1020452013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020452033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52071 + ... + 68936.

It is an arithmetic number, because the mean of its divisors is an integer number (122964296).

Almost surely, 2^1020452031 is an apocalyptic number.

1020452031 is a deficient number, since it is larger than the sum of its proper divisors (455119521).

1020452031 is a wasteful number, since it uses less digits than its factorization.

1020452031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121950 (or 121947 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1020452031 is about 31944.5148812750. The cubic root of 1020452031 is about 1006.7713884716.

Adding to 1020452031 its reverse (1302540201), we get a palindrome (2322992232).

The spelling of 1020452031 in words is "one billion, twenty million, four hundred fifty-two thousand, thirty-one".