1023212031 has 32 divisors (see below), whose sum is σ = 1487808000. Its totient is φ = 622955520.

The previous prime is 1023211979. The next prime is 1023212039. The reversal of 1023212031 is 1302123201.

It is not a de Polignac number, because 1023212031 - 2⁶ = 1023211967 is a prime.

It is a super-2 number, since 2×1023212031² = 2093925720766289922, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1023212031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023212039) 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, 414880 + ... + 417338.

It is an arithmetic number, because the mean of its divisors is an integer number (46494000).

Almost surely, 2^1023212031 is an apocalyptic number.

1023212031 is a deficient number, since it is larger than the sum of its proper divisors (464595969).

1023212031 is a wasteful number, since it uses less digits than its factorization.

1023212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1023212031 is about 31987.6856149363. The cubic root of 1023212031 is about 1007.6782374454.

Adding to 1023212031 its reverse (1302123201), we get a palindrome (2325335232).

The spelling of 1023212031 in words is "one billion, twenty-three million, two hundred twelve thousand, thirty-one".