1061953431 has 48 divisors (see below), whose sum is σ = 1801294848. Its totient is φ = 550300800.

The previous prime is 1061953427. The next prime is 1061953441. The reversal of 1061953431 is 1343591601.

It is not a de Polignac number, because 1061953431 - 2² = 1061953427 is a prime.

It is a super-2 number, since 2×1061953431² = 2255490179225343522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1061953392 and 1061953401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061953441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1230106 + ... + 1230968.

It is an arithmetic number, because the mean of its divisors is an integer number (37526976).

Almost surely, 2^1061953431 is an apocalyptic number.

1061953431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1061953431 is a deficient number, since it is larger than the sum of its proper divisors (739341417).

1061953431 is a wasteful number, since it uses less digits than its factorization.

1061953431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1061953431 is about 32587.6269617780. The cubic root of 1061953431 is about 1020.2387724365.

The spelling of 1061953431 in words is "one billion, sixty-one million, nine hundred fifty-three thousand, four hundred thirty-one".